Database of O'Hara Persons
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Search Results: Main Table
| Forenames | Surnames | Dates | Locations | Origin | Entries |
|---|
| ? | O'Hara, Strait | OH, WI, IA | 038 |
| ? | O'Hara, O'Rourke | OH | 269 |
| ? | O'Hara, Regan | 1960 | NJ | 080 |
| ? | Booth, O'Hara | IL | 089 |
| ? | Schintz, O'Hara | PA | 384, 385 |
| ? | O'Hara | US ? | LEITRIM | 265 |
| ? | O'Hara | 1908 | NE | 299, 349 |
| ? | O'Hara | 1832-02-12 | AU ? | IRELAND | 310 |
| ? | O'Hara | 1818 | IR | MAYO | 297 |
| ? | Hoar, O'Hara | 1910, 1981 | 422 |
| ? | O'Hara | IR | WATERFORD | 742 |
| ? | Hamilton, O'Hara | 1769 | IR | DERRY | 784, 883, 992 |
| ? | O'Hara, Kay | PA ? | 830 |
| ? | O'Hara, Schoyer | PA ? | 830 |
| ? | O'Hara, Ammon | PA ? | 830 |
| ? | O'Hara, Beacher | PA ? | 830 |
| ? | O'Hara, O'Harra, Bryan, Wolfe | IR | CORK | 840, 875 |
| ? | O'Hara, Gottsche | IA | 881 |
| ? | O'Hara | 1797, 1830 | EN | IRELAND | 915 |
| ? | O'Hara | c. 1905 | PA | 983 |
| ? | O'Hara | c. 1907 | PA | 983 |
| ? | O'Hara | c. 1908 | PA | 983 |
| ?, matriarch | Macduffie, McFee, O'Hara | 1500s | IR | IRELAND | 928 |
| ?, girl | O'Hara | 1966-08-05 | OH | 495, 635, 637, 638 |
| ?, Mrs. | O'Hara | 1823 | IR | ANTRIM | 271 |
| ?, Mrs. | O'Hara | 1823 | IR | ANTRIM | 271 |
| ?? | Booth, O'Hara | IL | 089 |
| Abe | O'Hara | NH ? | 189 |
| Ada ? | O'Hara ? | NS, ON ? | 925 |
| Ada, A. | O'Hara | c.1860, 1880, | IL | 1 1 0 6, |
| Ada, Bridgit | O'Hara | 1850s, 1860s, 1880+ | NS | 1 1 9 5, |
| Adelia | O'Hara | 1812 | NY | 784, 883, 901 |
| Aeneas | O'Hara | 1909 | IR, AU ? | ANTRIM | 693, 702, 757 |
| Agnes | O'Hara | PA | 034 |
| Agnes | O'Hara, Smith | 1880 | MD | IRELAND | 368 |
| Agnes | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| Agnes | O'Hara | 1866 ?, 1881 | EN | 764 |
| Agnes | O'Hara | 1874?, 1881 | SL | 538, 539 |
| Agnes | O'Hara | IR, SL ? | ANTRIM | 592 |
| Agnes | O'Hara | EN | 602 |
| Agnes | O'Hara, Solomito | 1900, 1924 | MT, NY | 839 |
| Agnes | O'Hara | 1918 | NY | 880 |
| Agnes | O'Hara | PA | 889 |
| Agnes | Donald, O'Hara | 1845 | SL | 1 0 1 6, |
| Agnes | O'Hara | c.1845 | SL | 1 0 1 6, |
| Agnes, Helena | O'Hara | 1893 | ON | 238 |
| Agnes, Mary | Oakes, O'Hara | 1891-07-14; 1893 ?,1980-12, | NJ | 1 2 0 1, 1 2 0 2, 1 2 0 3, 1 2 0 4, 1 2 0 5, 1 2 0 6, |
| Agnes, Nora | O'Hara, Rifen | 1892-11-25, 1919, 1976-01-26 | IA, CO | IRELAND ? | 358 |
| Agnes, Sister, Stephen, Marie | O'Hara | 1889, 1950s | NY | 804 |
| Agnus | O'Hara | EN | 528, 764, 811 |
| Albert | O'Hara | MA | 086, 827 |
| Albert | O'Harra | 1 0 1 1, |
| Albert | O'Hara | 1895, 1985 | OH | 262 |
| Albert | O'Hara | IL ? | 825 |
| Albert | O'Hara | MA | 701, 704, 717 |
| Albert | O'Hara | 1779 | NY | 784, 883, 901 |
| Albert, Bert | O'Hara | 1882 | IA | 781 |
| Albert, E. | O'Harra | 1849?, 1850?, 1870+ | NY | 1 0 3 7, 1 0 3 8, |
| Albert, Richard | O'Hara | MO, TX, CA | 106 |
| Alberta | O'Hara, Thompson | 1903-03-10 | OK | 321 |
| Alberta, M. | Maguire, O'Hora, O'Hara ? | PA | 659 |
| Aletha, Eliz. | Morehead, O'Hara | PA | 605 |
| Alfred, Mary | O'Hara | 1901 | ON | 770 |
| Alice | O'Hara | 1874 | CN, NY | 115 |
| Alice | O'Hara | 1926, 1940 | IR | DUBLIN | 193, 232, 363 |
| Alice | O'Hara, Orosz | US | 324 |
| Alice | O'Hara, Cadarette | ME ? | 501, 500 |
| Alice | Hurley, O'Hara | 1893-09 | MA | 701, 704 |
| Alice | O'Hara | IR | MAYO | 708 |
| Alice | O'Hara, Leonard | 1876-08-29; 1915-05-05 | NY | 804 |
| Alice ? | O'Hara, Louzon, Lauzon | MI | 097 |
| Alice ? | O'Hara | 1980? | ME, FL ? | 500 |
| Alice, G. | O'Hara | PA ? | 596 |
| Alice, Gertrude | O'Hara | MA | 179 |
| Alice, Gorton | O'Hara | PA, IN ? | 595 |
| Alice, P. | O'Hara | c. 1918, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Alma | Brennan, O'Hara | 387 |
| Alva | O'Harrah | OH | 046 |
| Amanda | O'Hara, Gray | OH, WI, IA | 038 |
| Amanda | O'Hara, Gray | WI | 418 |
| Amanda | Hawley, O'Hara | 1891 | ON | 681, 683, 684, 558 |
| Ambrose | O'Hara | 1857, 1926 | NY | 114 |
| Ambrose | O'Hara | 1857, 1926 | CN, NY | 115 |
| Ambrose | O'Hara | ON, PA ? | 305 |
| Ambrose ? | O'Hara | US | 122 |
| Amelia | LeCure, O'Hara | 1871-10-09 | QB | 022 |
| Amelia | Lacure, O'Hara | CN, IL ? | CONTINENT, FRANCE | 821 |
| Amelia | O'Hara | 1860?, | GA | 1 2 3 2, |
| Andrew | O'Hara | 1900, 1910 | NY | 409, 412, 413 |
| Andrew | O'Hara | 1900, 1910 ? | NY | 409, 413 |
| Andrew | O'Hara | PA ? | 794 |
| Andrew | O'Hara | 1878 ?, 1881 | SL | (942), 955 |
| Andrew | O'Hara | MI, IL | 1855, 1870, | 1 1 0 4, |
| Angela | O'Hara, O'Connor | 2004+ | IR ? | TYRONE | 1 1 8 8, |
| Angela, Marie | Mataya, O'Hara | 1967-08-05 | MO | 659 |
| Angelia | O'Hara | NY ? | 369 |
| Ann | O'Hara | 1849 | NY | ARMAGH | 214 |
| Ann | O'Hara | 1848 | ON | IRELAND | 766, 767, 769, 770 |
| Ann | Penn, O'Hara ? | 1840s | MD | 552 |
| Ann | O'Hara | 1850? | IR | IRELAND | 581 |
| Ann | Murphy, O'Hara | 1889-09-29 | MA | 701, 704 |
| Ann | Slattery, O'Hara | CT | 708 |
| Ann | O'Hara | 1924 | PA | 721 |
| Ann | Hurley, O'Hara | 1873, 1878 | 790, 906, 910 |
| Ann | O'Hara | PA | 794 |
| Ann | O'Hara | 1854 ? | MA | IRELAND | 835 |
| Ann | Latham, O'Hara | c. 1790 | WV | 841 |
| Ann | O'Hara | PA | 889 |
| Ann | O'Hara, Haring ? | 1993 | PA | 943 |
| Ann | O'Hara | VA | 954 |
| Ann | O'Neill, O'Hara | 1830, 1848-12-11; 1899 | IR, PA | SLIGO ? | 891 |
| Ann | O'Hara | 997 |
| Ann | O'Hara | 1835, 1860, | GA | SLIGO | 1 0 1 0, 1 2 3 2, |
| Ann | O'Hara | 1853, 1860+ | NY | 1 0 8 2, |
| Ann, Annie | O'Hara | US | MAYO | 708 |
| Ann, Annie | O'Hara, Oakes | 1842/1843-07-25; 1865-10-29 | ON, WI | 873 |
| Ann, Marie | Dougherty, O'Hara | 1957, 1966 | PA | 659 |
| Anna | O'Hara | 1951-05-21 | NY | 804 |
| Anna | O'Hara, Heavey | 1895 | NY | MAYO | 116 |
| Anna | O'Hara, Heavey | 1895, 1900 | NY | SLIGO | 117 |
| Anna | O'Hara | 1937 | IR | MAYO | 508 |
| Anna | O'Hara | 1937 | IR | MAYO | 477, 584 |
| Anna | O'Hara | PA | 384, 385 |
| Anna | Herron, O'Hara | PA ? | 254 |
| Anna | Loftus, O'Hara | 1900, 1910 | NY | 409, 412, 413 |
| Anna | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Anna | O'Hara | 1937-02-02 | IR | MAYO | 517 |
| Anna | O'Hara | IR | MAYO | 631 |
| Anna | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Anna | Ginnity, O'Hara | 1868, 1936 | PA | 724, 728 |
| Anna | O'Hara, O'Malia, O'Melia | IR ? | 778 |
| Anna | O'Hara, Cahill | 1902 | PA ? | 981 |
| Anna | O'Hara | 1837, 1870, | IL | IRELAND | 1 1 0 5, |
| Anna, Elizabeth | Pooley, Poole, O'Hara | PA, SD | 006, 113 |
| Anna, Esther ?, Elizabeth ? | Miles, O'Hara | 1845-04-12; 1866-12-16; 1929-03-12 | KY, KS, IN | 881, 950, 956 |
| Anna, G., Annie | O'Hara | 1846-11, 1847, 1848, 1870, 1880, 1890,1900 | LA | IRELAND | 1 0 2 4, 1 0 2 5, 1 0 2 7, 1 0 2 8, |
| Anna, M. | O'Hara, Bolton | 1931-10-13 | NY | MAYO | 897 |
| Anna, Mae | O'Hara, Harmon | NY, NJ | 042, 374 |
| Anna, Maison? | O'Harra | 1859?, 1860?, 1880+ | NY | 1 0 3 6, 1 0 3 8, |
| Anna, May | O'Hara | 1878 | ON | 770 |
| Anna, Ordelia | O'Hara, Freeman | 1870-02-19, 1948-11-11 | WI, SD | 072 |
| Anna, Veronica | O'Hara, Rogers | 1875, 1904 | CO | 033 |
| Anne | O'Hara | NY | 015, 014 |
| Anne | O'Hara, O'Rourke | OH | 269 |
| Anne | O'Hara | 1857 | IR | SLIGO | 654 |
| Anne | Caffrey, O'Hara | 1838, 1860 | IR | SLIGO | 654 |
| Anne | O'Hara | IR ? | SLIGO | 334 |
| Anne | O'Hara, Cobb | IA, OH ? | 288 |
| Anne | O'Hara | 2001 | IR, EN ? | SLIGO, DUBLIN | 437 |
| Anne | O'Hara, McGurl | IR | LEITRIM | 795 |
| Anne | Holohan, O'Hara | 1922-01-02 | CT, NY ? | 392, 616, 645 |
| Anne | O'Hara | 1790 | IR | IRELAND | 808, 809, 690 ? |
| Anne | O'Hara | 1912, 1994 | MN | 981 |
| Anne | Walsh, Welsch, O'Hara | c. 1827 | PA | MAYO | 1 0 0 9, |
| Anne, Annie | O'Hara | 1868 | EN | 743, 744, 745, 760, 748, 817 |
| Anne, Bullen | O'Hara, Eakin | IR, EN, AU ? | CORK ? | 829 |
| Anne, M. | O'Hara, Vachon | 1886-01; 1962-07-12 | MN | 981 |
| Annell | O'Hara | 1835 ?, 1881 | SL | IRELAND | 538, 539 |
| Annestia | O'Hara | 1900-12-24 | NY | 751 |
| Annie | Checkly ?, O'Hara | ON | 770 |
| Annie | O'Hara, Black | 1871 | MS | 134 |
| Annie | O'Hara, Blair | 1872-05-16, 1892-06-06 | RI | MAYO | 142 |
| Annie | O'Hara, Lane | 1876, 1898, 1910 | ID | IRELAND | 162 |
| Annie | O'Hara, Wiley | 1870, 1947 | US ? | 318 |
| Annie | O'Hara | 1824 ?, 1871 | EN | SLIGO | 811 |
| Annie | O'Hara, Greaves | 1881, 1888 | EN | 828 |
| Annie | O'Hara | CT ? | 838 |
| Annie | Beck, O'Hara | CT | 836, 1 0 0 6, 1 0 4 4, |
| Annie | Rogers, O'Hara | MA | ENGLAND ? | 887 |
| Annie | O'Hara | c.1870, 1880, | MD, IL | 1 1 0 6, |
| Annie | O'Hara | 1892-01 | MA | 1 1 9 6, 1 2 0 0, |
| Annie ? | O'Hara | 1847 ? | NY, OH | 657 |
| Annie, Agnes | O'Hara, Meagher | IR, NY ? | SLIGO | 1 1 9 7, (117?) |
| Annie, Emily | O'Hara, Harris | 1870, 1871 ?; 1891-02-08 ?; 1891-08-02 ? | EN | 812, 957 |
| Annie, L. | O'Hara | 1880?, 1887, 1910+ | MA | IRELAND | 1 0 3 5, |
| Annie, T. | Crowley, O'Hara | MA | CORK | 109, 234 |
| Anthony | O'Hara | PA ? | 659 |
| Anthony | O'Hara | 1845 | IR | MAYO | 024 |
| Anthony | O'Hara | IR | MAYO | 108 |
| Anthony | O'Hara | 1812, 1837, 1840s, 1851 | ON | IRELAND | 766, 767, 769, 770 |
| Anthony | O'Hara | 1846-08-17 | NY | 935, 1 2 3 6?, 1 2 3 7?, |
| Anthony | O'Hora, O'Hara ? | 1870 | PA ? | MAYO | 659 |
| Anthony | O'Hara | IR | MAYO | 708 |
| Anthony | O'Hara | 1865 | ON | 770 |
| Anthony | O'Hara | 1896 | ON | 770 |
| Anthony | O'Hara | 1839, 1850 | NY, PA | MAYO | 936 |
| Aramda, Frances | Soles, O'Harrah, O'Hara | 1850 | PA, FL ? | 241 |
| Arch Deacon Roger | O'Hara | IR? | SLIGO | 378 |
| Archbald | O'Hora, O'Hara ? | PA | 659 |
| Archbald | O'Hora, O'Hara ? | PA | 659 |
| Arthur | O'Hara | MA | 701, 704 |
| Arthur | O'Hara | 1878?, 1880 | PA | 1 0 7 0, |
| Arthur, Art | O'Hara | CA ? | 604 |
| Attracta, Harriet | O'Hara | 1891, 1909+ | IR, US | SLIGO | 948 |
| Audrey | Erwin, O'Hara | 786 |
| Austin | O'Hara | IR | SLIGO | 535, 653 |
| Austin (1) | O'Hara | IR | SLIGO | 332, 334 |
| Austin (2) | O'Hara | EN | SLIGO | 332, 333, 334 |
| Authur, Rodger | O'Hara | 1893-07-13- (30) | US | IRELAND | 231, 254, 256 |
| Barbara | O'Hara, McDermott | 033, 131 |
| Barbara | O'Hara, Halpin | 1880, 1881, 1910, 1916 | PA | IRELAND | 034, 044 |
| Barbara | Judge, O'Hara | 1840, 1854-03, 1860 | IR | MAYO | 477, 483, 484, 508, 509, 519, 520, 549, 584, 631, 792, 793 |
| Barry | O'Hara | NB | 493, 929 |
| Benjamin | O'Hara | OH, IN | 081 |
| Benjamin | O'Hara | IN | 081, 082, 083 |
| Benjamin | O'Hara | 1924 | WA | 699 |
| Benjamin, F. | O'Hara | 1826, 1895 | NY | 784, 883, 901 |
| Bernard | O'Hora, O'Hara ? | PA | 659 |
| Bernard | O'Hara | 1839 | NY | DERRY | 011, 233, 111 |
| Bernard | O'Hara | 1856 | AU | 057 |
| Bernard | O'Hara | 1871 | ON | 198, 199, 925 |
| Bernard | O'Hara | ON, PA, NJ ? | 298, 305 |
| Bernard | O'Hara | 1845 | PA | 345 |
| Bernard | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| Bernard | O'Hara | ME ? | 500 |
| Bernard | O'Hara | 1828 | 761 |
| Bernard | O'Hara | 1877, 1881 | SL | 538, 539 |
| Bernard | O'Hara | 1828 | EN ? | 707 |
| Bernard | O'Hara | NY | 894 |
| Bernard | O'Hara | 1866-09-14 | SL | 942 |
| Bernard | O'Hara | 1852, 1865+ | NS | IRELAND | 1 1 9 5, |
| Bernard | O'Hara | 1850s, 1860s | NS | 1 1 9 5, |
| Bernard (2) | O'Hara ? | ON, NS ? | 925 |
| Bernard, A. | O'Hara | 1869-06-24; 1896-04-08; 1953-03-07 | MA | 701, 704, 717 |
| Bernard, Barney | O'Hara | 1856-07; 1886-11-14 | NY | 804 |
| Bernard, Rev. | O'Hara | 1814, 1838, 1866 | NH, NY | IRELAND, KILDARE | 782 |
| Bernice | Allen, O'Hara | 786 |
| Bertha | O'Hara, Boole | NB | 692 |
| Bessie | O'Hara | NY, MA ? | 379, 393, 445, 995 |
| Bessie | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Bessie | O'Hara, Meade | 1931 | NY ? | MAYO | 897 |
| Betsy | O'Hara | WI ? | 365 |
| Betty | O'Hara | KY | 495, 637 |
| Betty | O'Hara | SL | 532 |
| Betty | O'Hara | 2001 | ON | 685, 684 |
| Beverly | DeSouza, O'Hara | 786 |
| Bill | O'Hara | IL ? | 825 |
| Bob | O'Hara | 402, 689 ??? |
| Brian | O'Hara | 387 |
| Brian | O'Hara | 1918 | MN | 981 |
| Bridget | O'Hara, Gormley | 1915 | NY | 124 |
| Bridget | O'Hara | SLIGO | 143 |
| Bridget | O'Hara | IR, IA, MN ? | LIMERICK | 648 |
| Bridget | O'Hara | 1845 | US | CAVAN | 004 |
| Bridget | O'Hara, Culhane | 1856 | MI | IRELAND | 009 |
| Bridget | Cunningham, O'Hara | IRELAND | 009 |
| Bridget | O'Hara, Gormley | 1915 | 125 |
| Bridget | O'Hara | 1862 | NY | 016 |
| Bridget | O'Hara, Gould | WL | MAYO | 024, 331 |
| Bridget | O'Hara, McMahon | 1855 | ON, MI | 030, 229, 239 |
| Bridget | O'Hara, Tracey | 1850, 1908 | ON | 390 |
| Bridget | O'Hara | 1859 | ON | 239 |
| Bridget | O'Hara, Welch | 033 |
| Bridget | O'Hara, Gould | PA | 036 |
| Bridget | O'Hara | 1864-2-2, 1880, 1938 | PA, NY | MAYO | 477, 484, 508, 509, 520, 549, 584, 631, 792 |
| Bridget | O'Hara | ON | 228, 666 |
| Bridget | O'Hara, Putman | 1864-02-02, 1896-06-10, 1938-12-19; 1939 ? | NY | MAYO | 476, 483 |
| Bridget | Dermady, O'Hara | 1854 | ON | MAYO | 122 |
| Bridget | Keaney, O'Hara | IR | LEITRIM | 109 |
| Bridget | O'Hara | 1871, 1890 | ON, NS | 198, 199, 925 |
| Bridget | O'Hara | IR, MA ? | IRELAND ? | 118 |
| Bridget | McCormick, O'Hara | c. 1838, 1872, 1901 | IR, QB | MAYO | 142, 1 0 2 1, 1 0 8 1, |
| Bridget | O'Hara | IR | SLIGO ? | 535, 653 |
| Bridget | O'Hara | 1860 | IR | SLIGO | 654 |
| Bridget | Larsen, O'Hara, Ohara | ME | IRELAND | 159 |
| Bridget | O'Hara | 1859 | ON | 238 |
| Bridget | Callahan ?, Callaghban ?, Callahan ?, O'Hara | 1815?, 1820s ?; 1843-05-29; 1870+ | QB?, ON, NY | MAYO, LEITRIM | 231, 254, 256, 1 0 7 1 ?, 1 0 7 2 ?, 1 0 7 4, 1 0 7 5, 1 0 7 6, 1 0 7 8, 1 0 8 2 ?, 1 0 8 3, 1 0 8 4, 1 0 9 3, 1 0 9 4, 1 0 9 6, 1 1 0 0, 1 1 0 2, 1 1 0 3, 1 1 2 1 ?, 1 1 2 2, 1 1 2 4, 1 1 3 1, 1 1 3 4, 1 1 3 7, 1 1 4 4 ?, |
| Bridget | O'Hara, Ruloff | 1836-11, 1856, 1865 | WI, MI | IRELAND | 281 |
| Bridget | O'Hara, Goff | MI | MAYO | 297 |
| Bridget | Moran, O'Hara | 1855, 1858 | EN, US | IRELAND | 341 |
| Bridget | Runian, O'Hara | 1865-03-05 | IR | LEITRIM | 383 |
| Bridget | Ryan, O'Hara | 1872 | AU | TIPPERARY | 360 |
| Bridget | O'Hara | c. 1827 | OH | 712 |
| Bridget | O'Hara | 1876-09-11 | NY | 711 |
| Bridget | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Bridget | Runian, O'Hara | IR, SL ? | LEITRIM ? | 454, 456 |
| Bridget | O'Hara | IR ? | MAYO | 517 |
| Bridget | O'Hara | 1888 ? | MA | IRELAND | 588 |
| Bridget | Scanlan, O'Hara | 1804 ?; 1812-05-20 ?; 1823; 1847, 1892-01-02 | IR, IA, MN | LIMERICK | 648, 669 |
| Bridget | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Bridget | O'Hara | PA | 728, 724 |
| Bridget | O'Hara, Shea | IL | 768 |
| Bridget | O'Hara, Milner | 786 |
| Bridget | O'Hara, Driscoll | NY | 810 |
| Bridget | O'Hara | 1861?, 1944 | MA | IRELAND | 835 |
| Bridget | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Bridget | O'Hara, Shannon | c. 1846 | IR | SLIGO | 987 |
| Bridget | O'Hara, Dolphin | 1828, 1844-1846 | PA | SLIGO | 981 |
| Bridget | Jeffers, O'Hara | 1862, 1902+ | PA | 981 |
| Bridget | O'Hara | 1857 | PA | 1 0 0 9, |
| Bridget | O'Hara | 1844?, 1848?, 1849?, 1880+ | CT | IRELAND | 1 0 4 1, 1 0 4 2, |
| Bridget | Coats, O'Hara | 1849?, 1880+ | CT | IRELAND | 1 0 4 2, |
| Bridget | O'Hara | 1871?, 1874-12?, 1877?, 1894, 1930+ | IL | 1 0 4 7, 1 0 4 8, 1 0 4 9, 1 0 5 0, |
| Bridget | Costollo, Costello, O'Hara | 1897-07-11 | IL | 1 0 5 2, |
| Bridget | O'Hara | 1813, 1850 | NY | IRELAND | 1 0 5 8, |
| Bridget | O'Hara | c. 1835, 1880, | IL | IRELAND | 1 1 0 6, |
| Bridget | O'Hara | 1860, 1870, | IL | IRELAND | 1 1 0 5, |
| Bridget | O'Hara | 1839, 1870, | IL | IRELAND | 1 1 0 4, |
| Bridget (2) | O'Hara | 1822,1825?, 1843-05-29; | QB, NY | LEITRIM | 1 0 7 1 ?, 1 0 7 2 ?, 1 0 7 4, 1 0 7 5, 1 0 7 6, 1 0 8 2 ?, 1 0 8 3, 1 0 8 4, 1 0 9 3, 1 0 9 4, 1 0 9 6, 1 1 0 0, 1 1 0 2, 1 1 0 3, 1 1 1 9, 1 1 2 1 ?, 1 1 2 2, 1 1 3 7, 1 1 4 4 ?, |
| Bridget (3) | O'Hara | 1848 | PA | 981 |
| Bridget . | Cavanagh, Cavanaugh | 1818 | IR | MAYO | 297 |
| Bridget, Agnes ? | Spellman, O'Hara | 1887, 1950s | PA | MAYO | 885, 889, 943 |
| Bridget, Brigitta | O'Connor, O'Hara | 1830s, 1843, 1855, 1858 | NY, WI | SLIGO | 053, 502, 510, 556, 935, 1 2 3 6, 1 2 4 5, |
| Bridget, Cecelia | Roche, O'Hara | 1841-05-10, 1858 | QB, NY | WEXFORD, ROSCOMMON | 138, 222 |
| Bridget, M. | Fitzpatrick, O'Hara | 1883 | OH | DUBLIN | 243 |
| Bridget, Margaret ? | Scanlon, O'Hara | 1812-05-20; 1892-01-05 | IR, MN | LIMERICK | 574, 577, 735 |
| Bridget, Rose | O'Hara, McMenomy, McManama | c. 1829; 1861-07-01; 1902-07-9 | IA | IRELAND | 753 |
| Bridgett | O'Hara | 1850 | ON ?, MI ?, NY | LEITRIM, MAYO | 1 1 0 1, |
| Bridgit | Murray, O'Hara | 1870 | CA | 186, 187, 747 |
| Bridgit | Hayden, O'Hara | 1852, 1865+ | NS | IRELAND | 1 1 9 5, |
| Brigete | Linn, O'Hara | IR, SL | 942 |
| Brigid | McKenna, O'Hara | IR | TYRONE | 203, 207 |
| Brigote, Bridget | Dermady, O'Hara | 1865, 1875 | ON | 305 |
| Brigote, Bridget, Bridgett | Dermady, O'Hara | 1845, 1854 | IR, ON | MAYO | 128 |
| Brine | O'Hara | 1834, 1879 | PA | SLIGO | 981 |
| Bryan | O'Hara | 786 |
| Bryan | O'Hara | 1858, 1902+ | PA | 981 |
| Bryan | O'Hara | 1869, 1870, | IL | 1 1 0 5, |
| C., C. | O'Hara | 1916, 1918, 1933 | WA | 860, 861, 863 |
| Cahal | O'Hara | 1500s | IR | IRELAND | 928 |
| Calvin | O'Hara | 1850-12-31, 1875-03-13, 1921-09-29 | IN | 303, 944 |
| Carmen | O'Hara | 2001 | ON | 684, 685 |
| Caroline, Carrie | O'Hara | 1850s, 1860s, 1880+ | NS | 1 1 9 5, |
| Carrie | O'Hara | BC | 829 |
| Carrie | O'Hara ? | NS, ON ? | 925 |
| Carrie | O'Hara | 1850 ? | 1 1 8 9, |
| Cath | O'Hara | 1867, 1870, | IL | 1 1 0 4, |
| Cathall, Cahall, Charles | O'Hara | 1639 | IR | ANTRIM | 069 |
| Catharine | O'Hara, Tierney | NY | 011 |
| Catharine | McNamara, O'Hara | NY | 011, 233 |
| Catharine, Agnes | O'Hara | 1874 | NY | 804 |
| Catherine | Welsh, O'Hara | 1866 | SL | IRELAND ? | 150 |
| Catherine | O'Hara | 1851 ?, 1860 | NJ, OH | 657 |
| Catherine | O'Hara, McGuillan | MA ? | LEITRIM | 234, 109 |
| Catherine | O'Hara | 1845 | US | CAVAN | 004 |
| Catherine | O'Hara | 1859 | NY | 016 |
| Catherine | O'Hara, Rogan | MAYO | 024 |
| Catherine | O'Hara, Rogan | PA | 036 |
| Catherine | McPadden, O'Hara | 1825, 1843, 1851, 1911 | NY | LEITRIM, SLIGO | 037, 804 |
| Catherine | Brehany, O'Hara | IR? | SLIGO? | 130 |
| Catherine | O'Hara ? | 1816 | US | IRELAND | 641 |
| Catherine | O'Donnell, Dolan, O'Hara | 1893 | MA | IRELAND | 090 |
| Catherine | O'Hara, Bier | 1826, 1849, 1857 | NY, LA, MS | 110 |
| Catherine | Canty, O'Hara | IR | LIMERICK | 236 |
| Catherine | O'Hara, Garrity | 1810, 1820, 1850, 1860 | OH | IRELAND | 140 |
| Catherine | O'Hara, Byrne | 1848-09-22 | IR | SLIGO | 535, 653 |
| Catherine | O'Hara, Foran | 1880, 1905, 1918 | NY | 154, 161 |
| Catherine | O'Hara, Moran | 1865 | 156 |
| Catherine | Brehany, O'Hara | 1760 ? | IR | SLIGO | 174 |
| Catherine | Dunivan, O'Hara | MN | 163 |
| Catherine | Connor | MA | IRELAND | 179 |
| Catherine | Healey, O'Hara | 1858, 1878 | PA | 184, 284 |
| Catherine | O'Hara, O'Hora | 1855 | PA | 184, 284 |
| Catherine | Crowley, O'Hara | ON, MI | 614 |
| Catherine | O'Hara | NY | 247, 242 |
| Catherine | McGuire, O'Hara | 1858, 1870 | KY, NJ, NY | IRELAND | 255 |
| Catherine | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| Catherine | O'Hara, McCammon ? | 1932 | US | 324 |
| Catherine | O'Hara | SL | 464 |
| Catherine | O'Hara ? | 1816, 1840, 1842 | IR, PA | IRELAND | 337 |
| Catherine | O'Hara | 1837 | ON | IRELAND | 766, 767, 769, 770 |
| Catherine | McAteer, O'Hara | 1869-12; 1908-03-13 | IR | ANTRIM | 423 |
| Catherine | O'Hara, Kerrigan | 1800, 1838 | IR, US ? | CAVAN | 498 |
| Catherine | O'Hara | ON ? | ENGLAND ? | 516 |
| Catherine | Daley, O'Hara | NJ | IRELAND | 593, 527, 594 |
| Catherine | O'Hara | EN | 528, 764, 811 |
| Catherine | O'Hara | 1854 ?, 1871 | EN | 759, 811 |
| Catherine | O'Hara | 1850? | NY | IRELAND | 581 |
| Catherine | Dolan, O'Hara | 1879 | NY | SLIGO ? | 591 |
| Catherine | O'Hara | IR, SL ? | ANTRIM | 592 |
| Catherine | O'Hara | EN | 602 |
| Catherine | O'Hara | 1829 ?, 1860 | OH | IRELAND | 657 |
| Catherine | O'Hara | NB | 692 |
| Catherine | O'Hara | MA | 701, 704 |
| Catherine | O'Hara, McMullen | MD, PA | 870 |
| Catherine | Doherty, O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Catherine | O'Hara, Schultz | CT | 836, 1 0 0 6, 1 0 4 4, |
| Catherine | Cook, O'Hara | NY, CT ? | 880 |
| Catherine | O'Hara, LaBonte | 1897, 1938 | CT | 880 |
| Catherine | Connolly, O'Hara | 1888; 1893-09-26 | MA | 887 |
| Catherine | O'Hara | PA | 889 |
| Catherine | O'Hara | c. 1855 | NY | 932 |
| Catherine | O'Hara | IR, US | SLIGO | 948 |
| Catherine | O'Hara | 1903, 1930+ | IL | 959, 1 0 4 7, 1 0 4 9, 1 0 5 0, |
| Catherine | O'Hara, Cleary | 1855 | SL | 989 |
| Catherine | Paradis, O'Hara | c. 1882, 1901 | QB | 1 0 2 1, |
| Catherine | O'Hara | 1868?, 1880, | PA | 1 0 7 0, |
| Catherine | O'Hara | 1821, 1870, | IL | IRELAND | 1 1 0 5, |
| Catherine | O'Hara | 1858, 1870, | IL | IRELAND | 1 1 0 5, |
| Catherine | O'Hara | 1860 ?, | GA | 1 2 3 2, |
| Catherine | Conley, O'Hara | 1910-03-05; | MA | 1 1 9 9, |
| Catherine . | O'Hara, Inch | 1877 ? | ON, MN ? | 770 |
| Catherine ? | O'Hara | SL | 994 |
| Catherine, Elizabeth ? | Horrigan, Hourigan, O'Hara | 1920 | NJ | 171, 182, 257 |
| Catherine, Elizabeth | O'Hara, Beatty | 1867?, 1937 | NY | CAVAN | 015, 014, 1 0 6 9, |
| Catherine, F. | Connolly, O'Hara | c. 1900 | MA | 834, 1 1 9 3, |
| Catherine, Isabella | O'Hara | c. 1844 | IR, AU | IRELAND | 808, 809, 690 ? |
| Catherine, Kate | O'Hara | c.1860, 1880 | NY | 374, 986, 1 0 6 1, |
| Catherine, Katherine | O'Hara | 1868-11-26, 1937-02 | IR | MAYO | 477, 484, 508, 509, 519, 520, 549, 584, 631, 792 |
| Catherine, Katie | O'Hara | 1859, 1860, 1870 | NY | 1 0 5 9, 1 0 6 0, |
| Cathie | O'Hara | 1922-07-15; 1923-07-04. 1924-07-04; 1925-06-24 | SL | SCOTLAND | 451 |
| Cathleen | O'Hara ? | c. 1950 ? | EN | 658 |
| Cathy, Ann | O'Hara, Plint, Rattley | 1853 | AU | 057, 157 |
| Cecilia | Brown, O'Hara | SL | 806 |
| Celia | Healey, Haley, O'Hara | 1880 | PA | 021 |
| Celia | O'Hara, Connoly | NB | 033 |
| Celia | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Celia | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Celia | O'Hara | 1874?, 1880+ | CT | 1 0 4 2, |
| Charles | O'Hara | 1790 ? | KY | IRELAND | 308 |
| Charles | O'Hara | 1872, 1954 | CN, NY | 115 |
| Charles | O'Hara | OH, IN | 081, 082 |
| Charles | O'Hara | 1797 | IR | ANTRIM | 039 |
| Charles | O'Hara | 1823 | IR | ANTRIM | 271 |
| Charles | O'Hara | 1823 | IR | ANTRIM | 271 |
| Charles | O'Harrah | OH | 046 |
| Charles | O'Hara | 1730 | PA | IRELAND | 069 |
| Charles | O'Hara | 1854 | NY | IRELAND | 085 |
| Charles | O'Hara | 1872, 1954 | NY | 114 |
| Charles | O'Hara | 1877, 1902, 1910 ? | MA | LEITRIM | 109, 234, 1 1 9 8 ?, |
| Charles | O'Hara | 1870 | NH, TX | IRELAND | 189 |
| Charles | O'Harrah | 1852 | PA ? | 354, 241 |
| Charles | O'Hara | 1810-11-03 | II | 274 |
| Charles | O'Hara | 1947 | SL, AU, MA | LEITRIM | 280, 301 |
| Charles | O'Hara | IR | LEITRIM, SLIGO | 301 |
| Charles | O'Hara | 1880, 1909 | CN, IL, NE | SLIGO ? | 299, 349, 821 |
| Charles | O'Hara | 1854 | IR | ANTRIM | 290, 319 |
| Charles | O'Hara | 1832 | IR | ANTRIM | 296 |
| Charles | O'Hara | 1865-03-05 | IR | LEITRIM | 383 |
| Charles | O'Hara | US ? | 383 |
| Charles | O'Hara | 1845 | IR ? | ANTRIM | 394, 612 |
| Charles | O'Hara | 1856, 1874, 1922 | SL | ANTRIM | 430 |
| Charles | O'Hara | IR, SL ? | LEITRIM ? | 454, 456 |
| Charles | O'Hara | NB | 493, 929 |
| Charles | O'Hara | 1852, 1874 | SL | ANTRIM | 499, 714 |
| Charles | O'Hara | ON ? | ENGLAND ? | 516 |
| Charles | O'Hara | IL ? | 825 |
| Charles | O'Hara | 1902 | NY | LEITRIM | 629 |
| Charles | O'Hara | 786 |
| Charles | O'Hara | 1875, 1900 | MO | 821 |
| Charles | O'Hara | 1875 | 956 |
| Charles | O'Hara | NY, MA ? | 995 |
| Charles | O'Hara | 1874?, 1910+ | NY, MA | 1 0 3 5, |
| Charles | O'Hara | 1907?, 1910+ | MA | 1 0 3 5, |
| Charles | O'Harra | 1872?, 1880+ | NY | 1 0 3 6, |
| Charles | O'Hara | 1825 | SL | CAVAN | 1 0 5 7, |
| Charles | O'Hara | 1863 | EN, AU | 1 0 5 7, |
| Charles | O'Hara | 1846-7; 1846-08-23, 1860+ | NY | LEITRIM ? | 1 0 7 2, 1 0 8 2, 1 0 8 3, 1 0 9 3, 1 0 9 4, 1 0 9 6, 1 1 0 0, 1 1 2 1, 1 1 2 2, 1 1 2 6, |
| Charles | O'Hara | 1850 ? | ON ?,MI ?, NY | LEITRIM, MAYO | 1 1 0 1, |
| Charles | O'Hara | 1832-11-02; 1901+ | ON | 1 1 4 9, 1 1 5 0, |
| Charles | O'Hara | 1 1 9 0, |
| Charles | O'Hara | 1877-03-02 | MA | IRELAND | 1 1 9 9, |
| Charles, C. | O'Hara | 1793 ?, 1850 | GA, KY | IRELAND | 175, 295 |
| Charles, Edward, Sr. | O'Hara | 1850 ?, | 1 1 8 9, |
| Charles, Frances | O'Hara | 1809, 1814 | PA | SLIGO ? | 196 |
| Charles, Francis | O'Hara | 1809, 1811, 1814, 1885 | FL | TYRONE ? | 164, 209, 210, 211 |
| Charles, Julius | O'Hara | 1880-05-16; 1908-11-18 | IL, CO | 461, 462, 465, 466, 471 |
| Charles, Louis | O'Hara | 1889 | ON | 770 |
| Charles, Melsom | O'Hara | IL, PA ? | 178 |
| Charles, Melsom | O'Hara | 1861, 1886 | MO, IL, PA | 605 |
| Charles, Peter | O'Hara | 1853 | PA | 1 0 0 9, |
| Charles, T. | O'Hara | 1876; 1950-04-17 | NY | 804 |
| Charles, William | O'Hara | 1880 | FL ? | 241 |
| Charles, William | O'Hara | 1910-06-24; 2001-04-20 | NS, NB | 493, 929 |
| Charlette | Fisher, O'Hara | PA ? | 794 |
| Charlie | O'Hara | 1871 | KY | 361 |
| Charlie | O'Hara | 2003 | VA ? | 954 |
| Charlotte | O'Hara | PA | 021 |
| Charlotte | O'Hara, O'Hora | PA | 184 |
| Charlotte | McAnully, O'Hara | 357 |
| Charlotte | Dibble, O'Hara | 1915, 1920, 1930 | NY, CT | 890, 980 |
| Christine | Roach, O'Hara | 1900-08-08 | ON | 926 |
| Christopher | O'Hara | 1 1 6 4, 1 1 6 8, |
| Clara | O'Hara | NY | 783 |
| Clara, Ann | O'Hara | 1901-11-06; 1975-07-06 | NE, IA | 496 |
| Clarence, William | O'Hara | 786 |
| Colin | O'Hara | 1980s | SL | 703 |
| Colleen | O'Hara | MB | 279, 818 |
| Colleen | O'Hara | CN | 506 |
| Colleen | O'Hara | 1973-08-12 | IL | 718 |
| Colleen | O'Hara | NB | 493, 929 |
| Collin ? | O'Hara | PA | 728, 724 |
| Colonel, Walter | O'Hara | ON ? | 958 |
| Constance, Josephine | O'Hara, Hibbert | 1869, 1871 | ON? | 516 |
| Cora, B. | O'Harra | 1854?, 1860+ | NY | 1 0 3 8, |
| Cordelia | O'Hara, Winslow | AL | (303), 944 |
| Cormac | O'Hara | 1600+ | IR | ANTRIM | 069 |
| Cormac | O'Hara | 1616 | IR | SLIGO | 378 |
| Cornelius | O'Hara, O'Hare ? | 1860 | AU | DOWN | 557 |
| Corsmaci | O'Hara | 1833 | IR | SLIGO | 1 1 5 3, |
| Cynthia | Prindle, O'Hara | 1779-07-04; 1794-07-04; 1860-03-25 | VT, NY | 784, 882, 883, 889, 921, 1 1 1 4, |
| Cynthia | Cobb, O'Harra | c.1800 | NC, SC, AL | 855 |
| Cyril, Michael | O'Hara | 1957, 1966 | PA | 659 |
| Daisy, Dais | O'Hara, Keenan | NY | 015, 014 |
| Daniel | O'Hara | 1855, 1864 | IR | SLIGO | 143 |
| Daniel | O'Hara | SLIGO | 143 |
| Daniel | O'Hara | 1907 | SL | 532, 538, 539, 540 |
| Daniel | O'Hara | 1865 ?, 1881 | SL | 538, 539 |
| Daniel | O'Hara | 1839 | TN | 008 |
| Daniel | O'Hara, O'Harah | c. 1849, 1853?, 1880, 1888, 1891 | NY | 374, 986, 1 0 6 1, 1 0 6 2, |
| Daniel | O'Hara | 1863 ?, 1913-03-23 | PA | 202 |
| Daniel | O'Hara | 1834, 1860, 1888 | ON, MI | ARMAGH | 614 |
| Daniel | O'Hara | 1809 | PA | 221, 253, 429 |
| Daniel | O'Hara | MD, PA | 227 |
| Daniel | O'Hara | 1851, 1860, 1880 ? | IR, SL, PA | ANTRIM | 309 |
| Daniel | O'Hara | SL | 532 |
| Daniel | O'Hara | IR, SL ? | ANTRIM | 592 |
| Daniel | O'Hara | PA | 765 |
| Daniel | O'Hara | 1806 | NY | 784, 883, 901 |
| Daniel | O'Hara, O'Harra | MD, PA | 870 |
| Daniel | O'Hara | 1845, 1870 | EN | 866 |
| Daniel | O'Harra | 1 0 1 1, |
| Daniel | O'Hara | 1809?, 1814, 1819, 1870 | NY | IRELAND | 1 0 5 8, 1 0 5 9, 1 0 6 0, |
| Daniel | O'Harra | 1862, 1870, | IL | IRELAND | 1 1 0 4, |
| Daniel | O'Hara | 1 1 9 0, |
| Daniel (2) | O'Hara | 1848, 1849?, 1870 | NY | 1 0 5 8, 1 0 5 9, 1 0 6 0, |
| Daniel, Benny, Murray | O'Hara | 786 |
| Daniel, Daniele | O'Hara | c.1819, 1842, 1874-11-07 | NY | IRELAND, GALWAY ? | 374, 986, 1 0 6 3, |
| Daniel, Dano | O'Hara | 2004 | IR, NY ? | 369, 990 |
| Danny | O'Hara | 786 |
| Dano | O'Hara | 1952; 2004-11-12 | IR | TYRONE | 990, 1 1 8 8, 1 1 9 2, |
| Darah | Wilkins, O'Hara | WI | 797, 798 |
| David | O'Hara | 1801 | NY | 784, 883, 901 |
| David | O'Hara | 786 |
| David | O'Hara | 1800?, 1821-1830, 1850 ? | CN, NY | 953, 1 1 3 2, |
| David | O'Hara | SL | 994 |
| David | Wilson, Pope, (O'Hara) | 1969 | NZ, AU | 1054 |
| David | O'Hara | 1856-04-09, 1870+ | NY | 1 0 7 2, 1 0 8 2, 1 0 8 4, 1 0 9 3, 1 0 9 4, 1 1 0 0, 1 1 2 1, 1 1 2 2, 1 1 2 3, 1 1 3 4, 1 0 4 6, |
| David | O'Hara | MO | 1 0 7 2, 1 1 2 1, 1 1 2 2, 1 1 2 3, 1 1 3 4, |
| David | O'Hara | c.1837, 1892+ | NY | 1 1 3 2, |
| David, Michael | O'Hara | 2004+ | 1 1 4 3, |
| Dee ? | O'Hara, Jordon | MAYO | 138, 222 |
| Delia | Bourke, O'Hara | EN | 583 |
| Delia, Bridget | O'Hara, Schlicksup, Stanton | 1851-07-29, 1869-12-15, 1918, 1922-03-01 | NY | ARMAGH | 214 |
| Della, Delfina | O'Hara | 1878-09-01 | 956 |
| Della, Mae | O'Hara | 1915-10, 1940s | NY, CT | 890 |
| Denis | O'Hara | IR | SLIGO, MAYO | 518 |
| Dennis | O'Hara | 719 |
| Dennis | O'Hara | 1857, 1881 | EN | 759, 764, 811 |
| Dennis, H. | O'Hara | 1878-01-28; 1916-07-09 | MA | 701, 704 |
| Dennis, James | O'Hara | 2002 ? | WA | 772, 773 |
| Desmond | O'Hara | 786 |
| Donald | O'Hara | PA | 762 |
| Donald | O'Hara | 786 |
| Donald | O'Hara | PA ? | 794 |
| Donald | O'Hara | 1919, 1930+ | IL | 959, 1 0 4 7, |
| Donald | O'Hara | IR | TYRONE | 1 1 8 8, |
| Donald, aka, Johnny ? | O'Hara | KY | 495, 637 |
| Donald, Daniel ? | O'Hara | 1915-04-04; 1977-11 | IR, NY, PA | CAVAN | 369, 990, 1 1 6 1, 1 2 0 7, |
| Donald, John | O'Hara | 1961 | PA | 659 |
| Donna | O'Hara | PA | 762 |
| Donna | O'Hara | PA ? | 794 |
| Donna | Coleman, O'Hara | PA ? | 794 |
| Dorothea, Marie, Christine | Nielson, O'Hara | US ? | CONTINENT, DENMARK | 680 |
| Dorothy | O'Hara | ON | 684 |
| Dorothy | Perkins, O'Hara | 786 |
| Dorothy, Elizabeth | Coffman, O'Hara | 1912; 1959-06 | CA | 807, 1 0 0 4, |
| E., Florence | O'Hara | MA | 188 |
| Ed | O'Hara | 1863-12-07 | US | ANTRIM | 316, 843, 845 |
| Ed | O'Hara | 1888 | MN | 668 |
| Edd | O'Hara | 1875-08; 1900+ | IL | IRELAND | 1 0 4 8, |
| Eddie (1) | O'Hara | 1922-07-15 | SL | SCOTLAND | 386, 451 |
| Eddie (2) | O'Hara | 1918, 1922-07-15; 1923-07-04. 1924-07-04; 1925-06-24 | SL | SCOTLAND | 386, 451 |
| Edith | O'Hara, Fitzpatrick | CT | 836, 1 0 0 6, 1 0 4 4, |
| Edith V. | O'Hara, Allen, Heslin | FL, CT ? | 241 |
| Edmond | O'Hara, Hara | IR | KERRY | 088 |
| Edmund | O'Hara | IR, IA, MN ? | LIMERICK | 648 |
| Edmund | Hara | 1823, 1852, 1901 ? | IR | KERRY | 613 |
| Edmund | O'Hara | MA | 701, 704 |
| Edna | O'Hara | MA | 701, 704 |
| Edna | O'Hara | 1881-10-23; 1901 | ON | 1 1 4 9, 1 1 5 0 |
| Edna, Marie | O'Hara, Whitney | 1898-02-21 | PA | 061 |
| Edward | O'Hora, O'Hara | PA ? | 659 |
| Edward | O'Hara | PA, OH, IN | IRELAND | 001 |
| Edward | O'Hara | 1843, 1855, 1895 | NY, WI | 053, 510 |
| Edward | O'Hara | IN | 083 |
| Edward | O'Hara | OH, IN | 083 |
| Edward | O'Hara | MA, IL | 089 |
| Edward | O'Hara | 1866 | SL | IRELAND ? | 150 |
| Edward | O'Hara | 1900 | US | SCOTLAND | 176, 177 |
| Edward | O'Hara | MA ?, IL | 208 |
| Edward | O'Hara | IN | 303 |
| Edward | O'Hara | 1858 ? | WI | 502 |
| Edward | O'Hara | 1843 | NY, WI | 566 |
| Edward | O'Hara | 1798, 1800 | PA, OH, IN | IRELAND | 664, 1 1 6 0, |
| Edward | O'Hara, O'Harah | 1815, 1816 | PA | 691 |
| Edward | O'Hara | PA | 762 |
| Edward | O'Hara | PA | 762 |
| Edward | O'Hara | 1916 | 842, 844, 845 |
| Edward | O'Hara | 1869-09-04 | SL | 942 |
| Edward | O'Hara | 1889 | NY | 961 |
| Edward | O'Hara | 1848 | CN | IRELAND | 968 |
| Edward | O'Hara | 1909-05-11; 1989-05-27 | PA | 983 |
| Edward | O'Harra | 1867?, 1870 | NY | 1 0 3 7, |
| Edward | O'Hara | 1878?, 1880 | MO | 1 0 8 5, 1 0 8 6, |
| Edward | O'Hara | 1864, 1870, | IL | 1 1 0 4, |
| Edward | O'Hara | WI | 1 2 4 5, |
| Edward Jr. | O'Hara | PA ? | 794 |
| Edward Sr. | O'Hara | PA ? | 794 |
| Edward, Alonzo | O'Hara | 1930s | NB | 473, 970 |
| Edward, Anthony | O'Hara | 1933, 1934 | NY | 708 |
| Edward, Augustine, Gus | O'Hara | 1881 | ON ?, WI | 769, 770 |
| Edward, Ed | O'Hara | 1920s, 1930s | NY | MAYO | 708 |
| Edward, F. | O'Hara | WI | 598, 600 |
| Edward, Fiske | O'Hara | 1890 | SD | 006, 113 |
| Edward, G. | O'Hara | 1839 | IR | IRELAND | 371 |
| Edward, G. | O'Hara | 1873-12-20; 1957-07-01 | MA | 701, 704 |
| Edward, Henry | O'Hara | 1866-07-01, 1914, 1917 | SL | 150, 180 |
| Edward, J. | Fox, O'Hara | PA | 146 |
| Edward, Julian | O'Hara | 1874-07, 1907-01-15 | MA | 188 |
| Edward, Wallace | O'Hara | 1877-02-13; 1897-09-15; 1915 | NE | 496 |
| Edwin | O'Hara | 1900 | OK | 172, 173 |
| Edwin | O'Harra | 1868?, 1880+ | NY | 1 0 3 6, |
| Eileen | O'Hara | 786 |
| Eileen | O'Hara | PA | 889 |
| Eileen | O'Hara | 1916 | MN ? | 981 |
| Eleanor | Burke, O'Hara | 033 |
| Eleanor | Dunn, O'Hara | 1792 | IR | ANTRIM | 039 |
| Eleanor | O'Hora, O'Hara | PA | 659 |
| Elenora | O'Hara | US | 176, 177 |
| Elexious, Queen | O'Hara | NY | IRELAND | 190 |
| Elinor | Hawkins, O'Harrow, O'Hair | KY ? | 458 |
| Elisa | O'Hara | 1845+ | IR | ANTRIM | 394, 612 |
| Eliza | O'Hara | NY | 783, 877 ? |
| Eliza | Blakely, O'Hara | 1883, 1919 | ON ? | 1 1 4 2, |
| Eliza, Daisey | Safford, O'Hara | 1861, 1864 | AR, TN | 605 |
| Eliza, Lizzie | O'Harra, O'Hara, Jackson | 1850, 1871, 1872, 1873, 1878 | OH, ON, MI | IRELAND | 945, 946, 367? |
| Elizabeth | O'Hara | US ? | 304 |
| Elizabeth | O'Hara, Thompson | 1886 | ND, SK, QB | 617, 620, 630 |
| Elizabeth | O'Hara, Wheeler | OH, WI, IA | 038 |
| Elizabeth | O'Hara, Still | 1875, 1910-10-26 | OH | 102 |
| Elizabeth | O'Harrah | 1860-08-08 | OH | 046 |
| Elizabeth | Kern, O'Hara | 1875, 1899 | MA, IL | 089 |
| Elizabeth | O'Hara | 1899-10 | IL | 089 |
| Elizabeth | Rochford, O'Hara | 1935 | OH | 126, 262 |
| Elizabeth | O'Hara, Kramer | 1896-01-07, 1967-09-25 | OH | 262 |
| Elizabeth | Leife, O'Hara | MA | 188 |
| Elizabeth | Nash, O'Hara | 1886 | ON | CORK ? | 238, 272, 663 |
| Elizabeth | Shouldice, O'Hara | ON | 662, 663 |
| Elizabeth | Kern, O'Hara | 1875 | MA ?, IL | 208 |
| Elizabeth | O'Hara | 1810-11-03 | II | 274 |
| Elizabeth | O'Hara | 1863 | ON, SK ? | 282, 287 |
| Elizabeth | Slevin, O'Hara | 1843 | IA, OH | 288 |
| Elizabeth | Graham, O'Hara | 1930 | WA | 673 |
| Elizabeth | Prendergast, O'Hara | 1919, 1934 | US | 324 |
| Elizabeth | Prendergast, O'Hara | US ? | 779 |
| Elizabeth | Tribett, O'Harrow, O'Hair | 1793-04-04 | VA, KY | 458 |
| Elizabeth | Weigand, O'Hara | OH, KY | 495, 637 |
| Elizabeth | O'Hara, Dodds | ON | 607, 752 |
| Elizabeth | O'Hara | 1842 | NB | 692 |
| Elizabeth | O'Hara | MA | 701, 704 |
| Elizabeth | Threlfall, O'Hara | IL | 869 |
| Elizabeth | Carroll, O'Hara | c. 1890, 1960 | PA | 799 |
| Elizabeth | O'Hara, Casey | PA | 799 |
| Elizabeth | Collins, O'Hara | 1886; 1960-11-10 | NY | 804 |
| Elizabeth | Jordan, O'Hara | IR ? | 819 |
| Elizabeth | Price, O'Hara | PA ? | 830 |
| Elizabeth | O'Hara | 1865, 1953 | NY | IRELAND ? | 835 |
| Elizabeth | O'Hara | PA | 889 |
| Elizabeth | Anderson, Judge, O'Hara ? | 1845 | AU | 974, 975 |
| Elizabeth | O'Hara | c. 1875, 1880, | MD, IL | 1 1 0 6, |
| Elizabeth (2) | O'Hara | 1815-02-15, 1815-02-25 | II | 274 |
| Elizabeth, A. | Morehead, O'Hara | 1883-09-19 | IN, WA ? | 699 |
| Elizabeth, Agnes | O'Hara, Goodman | 1875, 1898 | GA, IR | 858, 859, 904, 907, 908 |
| Elizabeth, Ann | O'Hara | 1870 | AU | 1 0 5 7, |
| Elizabeth, Betsey | O'Hara, Enright | 1838, 1841, 1918 | CT, MA | 836, 1 0 0 6, 1 0 4 3, 1 0 4 4, |
| Elizabeth, Betsey | O'Hara | 1838, 1839?, 1860+ | CT | IRELAND | 1 0 3 9, 1 0 4 0, |
| Elizabeth, Betty | O'Hara, Lister | 1900, 1922 | PA | 1 0 1 7, 1 0 1 8, |
| Elizabeth, Helen | O'Hara, Mayer | 256 |
| Elizabeth, Lizzie | O'Hara | 1901 | IL, NY | 877, 783 ? |
| Elizabeth, Lizzie | Miehe, O'Hara | MO | 1 0 7 2, 1 0 8 7, 1 0 9 7, 1 0 9 9, |
| Elizabeth, M. | Vernon, O'Hara | 1873, 1875, 1898 | GA | 858, 859, 904, 907, 908, 913, 920 |
| Elizabeth, Marie | O'Hara | 1904, 1959 | PA | 254 |
| Ella | O'Hara, Richardson | 1921-07-30 | ON | 307 |
| Ella | Goffe, O'Hara | 1904 | MB | EN | 279, 818 |
| Ella Agnes | Murphy, O'Hara | NY | 220 |
| Ella, Agnes | Murphy, O'Hara | IA | 358 |
| Ellen | O'Hara, Going | ON | 390 |
| Ellen | O'Hara | 1844 | ON | 239 |
| Ellen | O'Hara | c. 1844 | NY | IRELAND | 374, 986 |
| Ellen | O'Hara, Going | 1843 | ON | 228, 389, 666 |
| Ellen | O'Hara | 1864 | AU | 057 |
| Ellen | Flynn, O'Hara, Hara | 1826 | IR | KERRY | 088 |
| Ellen | O'Hara | IR | SLIGO ? | 535, 653 |
| Ellen | O'Hara | 1870 | 156 |
| Ellen | O'Hara | 1844 | ON | 238 |
| Ellen | O'Hara, Going | ON | 504, 505, 663 |
| Ellen | Murphy, O'Hara | US ? | CORK | 304 |
| Ellen | O'Hara | 1864 | ON, SK ? | 282, 287 |
| Ellen | O'Hara, McCormick | 1851, 1880 | IR, SL, PA | ANTRIM | 309 |
| Ellen | Mooney, O'Hara, Wilson | 1859 | MO | 335 |
| Ellen | O'Hare, O'Hara | 1860, 1865 | MA | IRELAND | 364 |
| Ellen | O'Hara, O'Hearn, Faltersack | 1869, 1897-02-26 | WI, MI | 365, 771 |
| Ellen | O'Hara | 1846 | ON | IRELAND | 766, 767, 769, 770 |
| Ellen | O'Hara | 1880, 1900, 1910, 1920 | IA, UT, WY | 599 |
| Ellen | O'Hara | EN | 528, 764, 811 |
| Ellen | O'Hara | PA | 530 |
| Ellen | O'Hara, McCormick | 1830?, 1871 | IR, SL, PA | ANTRIM | 592 |
| Ellen | O'Hara, Law | 1917-08-14; 1919 | EN | 601 |
| Ellen | O'Hara | EN | 602 |
| Ellen | Murray, O'Hara | 786 |
| Ellen | Leary, Toohey, O'Hara | 1865, 1919 | NY, PA | IRELAND ? | 835 |
| Ellen | O'Hara, Carr | 1805; 1895-01-27 | IR | SLIGO, DONEGAL | 886 |
| Ellen | O'Hara | 1826, 1850 | PA | SLIGO ? | 981 |
| Ellen | O'Hara | 1881-03 | ON | 1 0 3 1 |
| Ellen | O'Harra | 1865?, 1870+ | NY | 1 0 3 7, |
| Ellen | O'Hara | 1844, 1845?, 1860 | NY | IRELAND | 1 0 5 8, 1 0 5 9, |
| Ellen | O'Hara | 1872?, 1880 | PA | 1 0 7 0, |
| Ellen | O'Hara | c.1864, 1880 | MD, IL, | 1 1 0 6, |
| Ellen | O'Hara | 1857 | IL | IRELAND | 1 1 0 5, |
| Ellen | O'Hara | 1829, 1870, | IL | IRELAND | 1 1 0 5, |
| Ellen | O'Hara | 1860 ? | GA | 1 2 3 2, |
| Ellen ? | O'Hara | 1855-03 | WI | 598, 600 |
| Ellen, E. | Ripley, O'Hara | 1896-04-08 | MA | 701, 704, 717 |
| Ellen, Elizabeth ? | O'Hara | 1832 | IR | ANTRIM | 296 |
| Ellen, J. | Ryan, O'Hara, Ohara | 1894-10-23 | ME | 159 |
| Ellen, Jane | O'Hara | 1868 | AU | 1 0 5 7, |
| Ellen, Nellie | O'Hara, McLaughlin | 1867-01; 1889-06-29 | NY | 804 |
| Ellen, Tone | O'Hara, Hyland | 1860, 1865 | GA | 056 |
| Elmer | O'Harrah | OH | 046 |
| Elmer | O'Hara | NH ? | 189 |
| Elsie, Imogene | Hyatt, O'Hara | 1881-03-07; 1965-04-06 | NE, CA | 471 |
| Elsie, Imogine | Hyatt, O'Hara | 1905 | NE | 299, 821 |
| Elsie, Imogine | Hyatt, O'Hara | 1905 | NE | 349 |
| Elva, Myrtle | O'Harrah | OH | 046 |
| Emeline | O'Hara | 1850 | NY | 107 |
| Emily | Lyle, O'Hara | 1884 | IR | ANTRIM | 093 |
| Emily | O'Hara | 1853, 1857?, 1880+ | CT | 1 0 4 0, 1 0 4 1, 1 0 4 2, |
| Emily (1) | O'Hara | 1841, 1847? | IR | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Emily (2) | O'Hara, Kennedy | 1853 | CT, NY | 836, 1 0 0 6, 1 0 4 4, |
| Emily, Marguerite | O'Hara | 1903-06-06; 1987-08-13 | NE, IA | 496 |
| Emma | O'Hara | IL, PA ? | 178 |
| Emma | O'Hara, Wilson | MO | 335 |
| Emma | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Emma | O'Hara | 1840s | MO, IL | 605 |
| Emma, Dolly | O'Hara, Crook | 786 |
| Emma, Jesson | Murray, O'Hara | 786 |
| Emma. | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Emmett | O'Hara | 1902 ? | PA ? | 181, 719 |
| Emmett | O'Hara | PA | 185 |
| Emmylou | Edwards, O'Hara | 1880-05-04 | TX | 561 |
| Ena | O'Hara, Bewley | 786 |
| Eric | O'Hara | 786 |
| Erin, Jeanette | O'Hara, Daily ? | 1981-07-21; 2003+ | NY | 804 |
| Ernest | O'Hara | 1877 | ON | 770 |
| Estella | Carnero, O'Hara | TX | 425 |
| Esther | O'Hara, Wyckoff | 1809; 1830; 1831-08-31 | NY | 482 |
| Esther, Raymond | Kelly, O'Hara | PA | 302 |
| Estol, James | O'Harrah | OH | 046 |
| Ethel | McDonough, O'Hara | 1890 | MN | 981 |
| Etta | O'Hara, Goetsche | 1885-11-02; 1905 | 956 |
| Eudora | O'Hara, Wilson | 1861-07-29; 1877-12-25; 1891-10-28 | IA ? | 979 |
| Eugene | O'Hara | 1890, 1900 | PA, MI | 021, 064, 169 |
| Eugene | O'Hara, O'Hora | PA | 184 |
| Eugene, D. | O'Hara | c.1923, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Eugene, R. | O'Hara | 1941 | PA | 062 |
| Eugene, R. | O'Hara | PA | 063 |
| Eunice, U. | Walden, O'Harra | 1857-02-01 | OR | 924, 1 0 1 1, |
| Eva | O'Harrah | OH | 046 |
| Eva | O'Hara | 1890 | ON | 238 |
| Eva | O'Harra | 1854?, 1870+ | NY | 1 0 3 7, |
| Evelyn | Johnson, O'Hara | 1917-10-23; 1947-07-05; 1990-07-31 | NY | 804 |
| Evelyn | O'Hara | OR | 1 0 1 4, |
| Evelyn | O'Hara | 1905, 1930 | OH | 1 0 6 4, |
| Evelyn, Mary, Shannon | O'Hara | 2000-06-13; 2003+ | NY | 804 |
| F. | O'Hara, Paquin | 1928 | NY | 833 |
| F. | O'Hara, Hutchingson | 1928 | NY | 833 |
| Fannie | O'Hara | 1 1 9 0, |
| Fannie, Frances, Alice | O'Hara | IA, OH ? | 288 |
| Father Denis | O'Hara | IR? | SLIGO | 378 |
| Felix | O'Hara | 1821, 1843, 1851, 1877 | NY | LEITRIM, SLIGO | 037, 804, 1 1 1 9, |
| Felix | O'Hara | 1861-06-10; 1904-11-07 | NY | 804 |
| Felix | O'Hara | 1884 ?, 1920+ | PA | 1 1 6 7, |
| Felix, Bernard | O'Hara | 1922 | II | 1 1 6 4, 1 1 6 8, |
| Felix, Bryan | O'Hara | 1892 | PA ? | 981 |
| Felix, Joseph (1) | O'Hara | 1794-03-18 | IR, PA | SLIGO | 981 |
| Felix, Joseph (2) | O'Hara | 1826-09-03; 1848-12; 1886-06-11 | PA | SLIGO | 981 |
| Felix, Joseph (3) | O'Hara | 1856, 1924 | PA, MN | 105, 981 |
| Fiske ? | Fiske, O'Hara, ohara ? | 1900, 1947 | 326 |
| Florence | O'Hara, Quin | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Florence | O'Hara | 1894 | NY | 961 |
| Florince, Florence | O'Harra | 1861?, 1880+ | NY | 1 0 3 6, 1 0 3 7, |
| Florinda, Flora, Ann | O'Hara, O'Harra, Swift | 1857-03-11; 1875-03-11; <1880 | IA | 979, 1 1 8 5, |
| Frances | O'Hara | 1938 ? | TX | 670 |
| Frances | O'Hara | MA | 701, 704 |
| Frances | O'Harra | 1855?, 1870+ | NY | 1 0 3 7, 1 0 3 8, |
| Frances | O'Hara | c.1860 | IL | 1 0 8 8, 1 0 9 1, |
| Frances, Drusilla | Siegertz, O'Hara | AS | 420 |
| Frances, Eugenia | O'Hara | 1915-10-27; 1986-07 | NE, IA | 496 |
| Frances, Ophelia | O'Hara, Watson | 1806-07-04, 1847-06-28 | GA | 619, 621, 698 |
| Francis | O'Hara | 1850 | NY | 107 |
| Francis | O'Hara | PA | 021 |
| Francis | O'Hara, O'Hora | PA | 184 |
| Francis | O'Hara | MA ? | LEITRIM | 234, 109 |
| Francis | O'Hara | 1928 | MA | LEITRIM | 795 |
| Francis | Harrigan?, O'Hara | NS ? | 371 |
| Francis | O'Hara | NY | 452 |
| Francis | O'Hara | MA ? | 701, 704 |
| Francis | O'Hara | MA | 701, 704 |
| Francis | O'Hara | MA | 701, 704 |
| Francis | O'Hara | IL | 768 |
| Francis | O'Hara | PA ? | 794 |
| Francis | O'Hara | 1872 | MD | IRELAND | 837 |
| Francis | O'Hara | 1900-08-22; 1983-07 | PA | 983 |
| Francis | O'Hara | 1851, 1860+ | NY | 1 0 8 2, |
| Francis | O'Hara | c. 1868, 1880, | MD, IL | 1 1 0 6, |
| Francis | O'Hara | 1858, 1870, | IL | 1 1 0 4, |
| Francis | Synder, O'Hara | 1 1 4 0, |
| Francis Sr. | O'Hara | PA ? | 794 |
| Francis, John | O'Hara | 1901, 1917 | NJ, NY, PA | CORK ? | 527, 593, 594 |
| Francis, Frank | O'Hara | 1853-07-28, 1870+ | NY | 1 0 7 2, 1 0 8 2, 1 0 8 4, 1 0 9 3, 1 0 9 4, 1 1 0 0, 1 1 2 1, 1 1 2 2, 1 1 2 5, 1 1 3 0, |
| Francis, Joseph | O'Hara | 1880, 1900 | MO, TX, CA | CORK ? | 106 |
| Francis, Nicholas | O'Hara | MA | 109, 234 |
| Francis, P. | O'Hara | 1884 | MO | 121 |
| Francis, Paul | O'Hara | MO, TX, CA | 106 |
| Francis, William | O'Hara | 1898-06-14; 1973-12-14 | NE, IA | 496 |
| Frank | O'Hara | PA | 034 |
| Frank | O'Hara | US | 059 |
| Frank | O'Hara | IR ? | MAYO | 146 |
| Frank | O'Hara | NH ? | IRELAND | 189 |
| Frank | O'Hara, O'Hayer ? | IL ? | 266, 632 |
| Frank | O'Hara, O'Harah | 1800+ | PA | 541 |
| Frank | O'Hara | 402, 689 ??? |
| Frank | O'Hara | PA | 762 |
| Frank | O'Hara | NY | 783 |
| Frank | O'Harra | 1857?, 1880+ | NY | 1 0 3 6, |
| Frank, E. | O'Hara | 1 1 4 0, |
| Franklin | O'Hara | 1858-10-04; 1901+ | ON | 1 1 4 9, |
| Fred | O'Hara | NH ? | 189 |
| Fred | O'Hara | EN | ENGLAND | 573 |
| Freddy | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Frederick | O'Hara | EN | 528, 764, 811 |
| Frederick | O'Hara | EN | 602 |
| Frederick | O'Hara | MA | 701, 704 |
| Gabby | O'Hara | 2004+ | IR ? | TYRONE | 1 1 8 8, |
| Gabriel | O'Hara | NY ? | 369 |
| Gardner | O'Hara, Harrey | 1833, 1898 | NY | IRELAND | 716 |
| Garnet, Elizabeth | Grady, O'Hara | 1896 | 956 |
| Gary | O'Hara | PA | 765 |
| General, Charles | O'Hara | 1740?, 1802 | EN | 826, 872 |
| Genevieve | O'Hara, O'Harra, Brandabur | OH | 705, 722, 733, 739, 854 |
| George | O'Hara | WA | IRELAND ? | 772, 773 |
| George | O'Hara | IRELAND | 009 |
| George | O'Hara | 1838, 1902-05-02 | ND | 084 |
| George | O'Hara | NY | 026 |
| George | O'Hara | 1849 | ON | 239 |
| George | O'Harrah | OH | 046 |
| George | O'Hara | ON | 228, 666 |
| George | O'Hara | WI | 072 |
| George | O'Hara | 1867, 1886-10-29 | SL | IRELAND | 625 |
| George | O'Hara | 1890 | ON | 238 |
| George | O'Hara | ON | 662 |
| George | O'Hara | US | 324 |
| George | O'Hara | c. 1830 | OH | 712 |
| George | O'Hara | MA | 701, 704 |
| George | O'Hara | 1897 | NY | 961 |
| George | O'Hara | 1888-09-17, 1917, 1918 | OR | 1 0 1 4, |
| George | O'Hara | 1865, 1930 | OH | 1 0 6 4, |
| George, D. | O'Hara | 1890 | FL ? | 241 |
| George, Dennis | O'Hara | 1908-11-21; 1985-10-03 | NE, CA | 496 |
| George, Dennis | O'Hara | 1 0 1 4, |
| George, E. | O'Hara | 1912-09-16; 1962-07 | NY | 804 |
| George, Elza, Eldon | O'Harrah | OH | 046, 054 |
| George, F. | O'Hara | 1886; 1944-06-29 | NY | 804 |
| George, H. | O'Hara | WI ? | 598, 600 |
| George, Henry | O'Hara | 1872-01-25; 1893-09; 1944-04-10 | MA | 701, 704 |
| George, Joseph | O'Hara | 1880 | ON | 770 |
| George, M. | O'Hara | 1 1 4 0, |
| George, P. | O'Hara | 1889 | NY | 894 |
| George, Patterson | O'Hara | 1839 | TN | 008, 221, 253, 429 |
| George, T. | O'Hara | 1849 | ON | 238 |
| George, Thomas | O'Hara | EN | 760, 780, 745, 816 |
| Georgia | O'Hara, Handly, Cowles | 2001-07-13 | TX | 559 |
| Gerald | O'Hara | PA ? | 794 |
| Gerald | O'Hara | 1913, 1930 | OH | 984, 1 0 6 4, |
| Gerald | O'Hara | 1899 | PA ? | 981 |
| Gerald, Patrick, Archbishop | O'Hara | 1895-05-04; 1963-07-16 | PA, GA, IR, EN | 983 |
| Gertrude | O'Hara | MA | 188 |
| Gertrude | O'Hara | MA | 701, 704 |
| Gertrude | O'Hara | 1895-01-27, 1920, 1980-08 | LA | 1 0 2 6, 1 0 2 9, |
| Gladys | O'Hara, Lynn | ON | 607, 752 |
| Glenn | O'Hara | 1 1 6 4, 1 1 6 8, |
| Grace | O'Hara | MA | 086, 827 |
| Grace | O'Hara, O'Neill | 1580, 1603 | IR, VA | IRELAND | 058, 069, 144, 474, 475, 694 |
| Grace | Thomas, O'Hara | CA ? | 106 |
| Grace | O'hara, McCammon ? | 1934 | US | 324 |
| Grace | O'Hara, Wolfe | 1834, 1867 | IR | CORK | 627, 763, 796, 875 |
| Grace | O'Hara | NY, MA ? | 995 |
| Grace | O'Hara | 1 1 4 3, |
| Grace, Adeline | Sears, O'Hara | 1920 ? | MA | 049, 086, 118, 587, 588, 827 |
| H(arry ?) | O'Hara | 1919-03-02 | SL | SCOTLAND | 386, 451 |
| Hanna | Doran, O'Hara | 1858-08; 1878; 1899 | NY | IRELAND | 961 |
| Hannah | O'Hara | 1775, 1842-09-29 | OH | 225, 273, 275, 276 |
| Hannah | Doherty, O'Hara | 1860, 1880 ? | SL, PA | 309 |
| Hannah | O'Hara | EN | 602 |
| Hannah | Pearson, Johnson, O'Hara | 1826 | EN | 777 |
| Hannah | O'Hara | NY | 783 |
| Hannah | O'Hara | 1848 | CN | 968 |
| Hannah, Hanna | Goodwin, O'Hara | 1841?, 1857, 1881 | SL | IRELAND | 942, 955 |
| Hannora, Nora | Hickey, O'Hara | 1916 | 842, 844 |
| Hannorah (3) | O'Hara, Eagan | 1850, 1909 | PA | 981 |
| Hanson | O'Harrah, O'Hara | 1838 | PA, FL | 241 |
| Harold | O'Hara | ON | 684 |
| Harold | O'Hara | EN, SL ? | ENGLAND | 571 |
| Harriet | O'Hara | 1904 | MA | 993 |
| Harriette | O'Hara | 1845+ | IR | ANTRIM | 394, 612 |
| Harrison | O'Hara, O'Harra | 1827, 1855-12-20, 1860-08-16, 1862-08-06, 1865-01-03 | OH, IA | 079, 145, 979, 1 1 7 0, 1 1 7 1, 1 1 7 2, 1 1 7 9, 1 1 8 0, 1 1 8 1, 1 1 8 5, |
| Harrison | O'Hara | 1869 | IN ? | 956 |
| Harry | O'Hara | 1905 | PA, NY | 021, 064, 169 |
| Harry | O'Hara, O'Hora | PA | 184 |
| Harry | O'Hara | MA | 188 |
| Harry | O'Hara | 1890 | ON | 681, 683, 684, 558 |
| Harry | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Hartford | O'Hara | ON | 123 |
| Hartford | O'Hara | MT | 562, 824 |
| Harvey, Harvy | O'Harra | 1827?, 1829?, 1832?, 1880+ | NY | 1 0 3 6, 1 0 3 7, 1 0 3 8, |
| Hazel | O'Hara | WA | 772, 773 |
| Hazel | O'Hara, O'Horo, Titterington | 1910, 1918 | NY | 488 |
| Hazel | O'Hara | 786 |
| Hazel | Pederson, O'Hara | OR ? | 1 0 1 4, |
| Heather | O'Hara | 1 1 6 4, 1 1 6 8, |
| Helen | O'Hara | SLIGO | 143 |
| Helen | O'Hora, O'Hara ? | PA | 659 |
| Helen | O'Neil, O'Hara | IR | ANTRIM | 499 |
| Helen | O'Hara | MA | 701, 704 |
| Helen | O'Hara | PA ? | 794 |
| Helen | O'Hara | 1901 | QB | 1 0 2 1, |
| Helen, Ellen, Rita | O'Hara | 1907?, 1999 | PA | 133 |
| Helen, Theresa | O'Hara | 1884 | MA | 179 |
| Hellen | O'Hara | IR, US | SLIGO | 948 |
| Hellen, Nellie | O'Hara | 1879, 1957-06-14 | NY | 804 |
| Henery | O'Hara | 1847 ? | IR, SL | ANTRIM | 575 |
| Henrietta | Bartlett, O'Hara | 1850-02-20; 1880, 1901+ | ON | 1 1 4 1, 1 1 4 2, 1 1 4 9, 1 1 5 0, |
| Henry | O'Hara | IL | 825 |
| Henry | O'Hara | 1759, 1823 | IR | ANTRIM | 039 |
| Henry | O'Hara | 1823 | IR | ANTRIM | 271 |
| Henry | O'Harra | IL | 002 |
| Henry | O'Hara | DERRY | 233 |
| Henry | O'Hara | PA | 034 |
| Henry | O'Hara | IRELAND | 044 |
| Henry | O'Hara | OH, WI, IA | 038, 248, 283 |
| Henry | O'Harrow | 1867-04-14 | OH | 047, 551 |
| Henry | O'Hara | 1823, 1840, 1852, 1867 | AU | DUBLIN, CORK | 057, 074, 157 |
| Henry | O'Hara | 1857 | AU | 057 |
| Henry | O'Hara, O'Hora | PA | 184 |
| Henry | O'Hara, O'Hora | 1855 | PA | 184, 284 |
| Henry | O'Hara | MA | 188 |
| Henry | O'Hara | MD, PA | 227 |
| Henry | O'Harrah | 1812, 1860 | PA | 241, 249 |
| Henry | O'Harrah, O'Hara | 1848 | PA, FL | 241 |
| Henry | O'Harrah | 1852 | PA ? | 354, 241 |
| Henry | O'Hara | 1818-03-17; 1850, 1874, 1900-08-19 | NY, MN | MAYO | 297 |
| Henry | O'Hara | 1812 ? | IL | 797 |
| Henry | O'Hara | 1900 ? | IL | IRELAND ? | 768 |
| Henry | O'Hara | 1858 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Henry | O'Hara | 1837-04-08 | IR | ANTRIM, DERRY ? | 895 |
| Henry | O'Hara | 1845 | SL | 1 0 1 6, |
| Henry | O'Hara | 1858, 1862?, 1880+ | CT | 1 0 4 0, 1 0 4 1, 1 0 4 2, |
| Henry | O'Hara | 1825-07-26; 1850-07-29; 1874+ | SL ?, EN, AU | CAVAN | 1 0 5 7, |
| Henry | O'Hara | c. 1767 | IR | DERRY ? | 1 1 1 4, |
| Henry | O'Hara | 1833-10-27 | IR | SLIGO | 1 1 5 3, |
| Henry (2) | O'Hara | IL | 768 |
| Henry (2) | O'Hara | 1826 | ON | 1 1 1 4, |
| Henry, Clancy | O'Hara | US ? | 680 |
| Henry, Clay | O'Hara ? | PA ? | 596 |
| Henry, Francis | O'Hara | 1874 | AU | 1 0 5 7, |
| Henry, H., J. P. | O'Hara | 1861 | IR | ANTRIM | 1 0 1 2, 1 0 1 3, |
| Henry, John | O'Hara | 1868, 1892 | ON | 770 |
| Henry, Jr. | O'Hara | 1812 ? | MD, KY, IL | IRELAND | 797, 869, 870 |
| Henry, Jr. | O'Hara | IL | 1 1 9 0, |
| Henry, Laborn | O'Hara | 1850 ?, | 1 1 8 9, |
| Henry, Longhair | O'Hara | 1769, 1890 | IR, NY | DERRY | 784, 883, 901, 992 |
| Henry, Seymour ?, B. ? | O'Hara | 1846-06-23; 1880, 1901+ | ON | 1 1 4 1, 1 1 4 2, 1 1 4 9, 1 1 5 0, |
| Henry, Sr | O'Hara | 1 1 9 0, |
| Henry, Sr. | O'Hara | 1812 ? | MD | IRELAND | 870, 797, 869 |
| Henry, Uncle, Longhair | O'Hara | ON | 896, 898 |
| Herbert | O'Hara | 786 |
| Hessie | O'Hara | 786 |
| Hester | O'Hara | 1839 | TN | 008 |
| Hester | Alexander, O'Hara | 1820 | KY | 221, 253, 429 |
| Honor | O'Hara | 1846 | IR | SLIGO | 654 |
| Honor, Annie | O'Hara, Sandford | 1854, 1880s, 1950 | EN | IRELAND | 723, 756 |
| Honora | O'Hara, King | 1844, 1865, 1879-01 | NY, KS | CORK, CLARE | 191 |
| Hubert | O'Hara | 1800+ | IR | MAYO, SLIGO | 098 |
| Hubert | O'Hara | 1903, 1911, 1935 | PA, NJ | ROSCOMMON | 785, 831, 832 |
| Hubert | O'Hara (Regan?) | 1901 | PA | 831 |
| Hugh | O'Hara | MA | 090 |
| Hugh | O'Hara | 1810, 1820, 1850, 1860 | OH | IRELAND | 140 |
| Hugh | O'Hara | 1777, 1844-10-05 | OH, PA ? | 225, 273, 275, 276 |
| Hugh | O'Hara | IN | 225, 273, 275, 276 |
| Hugh | O'Hara | US ? | 304 |
| Hugh | O'Hara | IA, OH | 288 |
| Hugh | O'Hara | 1869-06-01, 1794 ? | IR | ANTRIM | 356 |
| Hugh | O'Hara | 1858-12-08, 1828 ? | IR | ANTRIM | 356 |
| Hugh | O'Hara, O'Hare | 1799 | PA, OH ? | 439 |
| Hugh | O'Hara | 1750 ? | QB | IRELAND, ANTRIM ? | 564, 622 |
| Hugh | O'Hara | 1856, 1915 | PA | 724, 728 |
| Hugh | O'Hara | 1876 | 838 |
| Hugh | O'Hara | c. 1890 | PA | 799, 985 |
| Hugh | O'Hara | 1908, 1986 | PA | 799 |
| Hugh | O'Hara | 1854. 1916-02-24 | NY | 804 |
| Hugh | O'Hara | VA | 954 |
| Hugh | O'Hara | 1865 | PA | 1 0 0 9, |
| Hugh | O'Hara | OR | 1 0 1 4, |
| Hugh, Jr. | O'Hara | 2003 | VA ? | 954 |
| Hugh, Leo | O'Hara | 1897, 1960 | PA | 724, 728, 729, 730, 731 |
| Hugh, Leonard | O'Hara | 1924 | PA | 727, 729, 730, 731 |
| Ida | O'Harra | 1853?, 1870+ | NY | 1 0 3 7, |
| Ida, May | Odenath, O'Hara | 1875-01-25, 95-12-27 | PA | 061, 155 |
| Ida, Rosalie | O'Hara | 1893 | ON | 770 |
| Ielitta | O'Harra | 1852?, 1860+ | NY | 1 0 3 8, |
| Irene | O'Hara | 1885 | PA | 530 |
| Irene | O'Hara | MA | 701, 704 |
| Irene | O'Hara | MO | 821 |
| Irene | O'Hara | CT | 836, 1 0 0 6, 1 0 4 4, |
| Irene | O'Hara | 1 1 4 3, |
| Isaac | O'Hara, O'Harra | 1817, 1870 | OH, WI, IA, PA ? | 041, 248, 283 |
| Isaac | O'Hara, O'Harra | 1814, 1840, 1890 | OH, WI, IA, PA ? | 038, 248 |
| Isaac | O'Hara, O'Harra | 1849, 1870 | WI, IA, OH | 094 |
| Isaaha | O'Hara | IR | IRELAND | 371 |
| Isabel | McCashin, O'Hara | 1828-11-02, 1851 ? | IR | ANTRIM | 309 |
| Isabella | O'Hara, MacDonald | 1870 | ND, BC | 025, 084 |
| Isabella | McCashin, O'Hara | 1828-11-02 | IR, SL ? | ANTRIM | 592 |
| Iva | Horton, O'Hara | CA ? | 106 |
| Ivanna | O'Hara | 1882, 1930+ | KY, MO | 1 1 5 1, 1 1 5 7, |
| Iven | O'Harra | c.1850 | IN, OR | 924, 1 0 1 1, |
| J. | O'Harra | 1820 | PA | 071 |
| J. | O'Hara | 1921-07-30 | ON | 307 |
| J. | O'Hara | 1888 | MN | 668 |
| J. Sr. | O'Hara | 1888 | MN | 668 |
| J., Godfrey | O'Hara | 1928 | NY | 833 |
| J., J. | O'Hara | 1820 | CN | 051, 052, 396, 397, 398, 399, 663 |
| J., J. | O'Hara | 1921-07-30 | ON | 307 |
| Jack | O'Hara | 1926, 1940 | IR | DUBLIN | 193, 232, 363 |
| Jack ? | O'Hara | US | 122 |
| Jack, W. | O'Hara | GA | 359 |
| Jack, W. | O'Hara | 1960 | SC | 226 |
| Jacob | O'Hara | 1828 | 761 |
| Jacob | O'Hara | 1828 | EN ? | 707 |
| Jacob, James ? | O'Hara | 1854, 1858, 1860 | WI | 502, 514 |
| James | O'Hara | US ? | 304 |
| James | O'Hara | IR, IA, MN ? | 648 |
| James | O'Hara | 1857 ?, 1860 | KY, OH | 657 |
| James | O'Hara | 1790 ? | KY | IRELAND | 308 |
| James | O'Hara, Hara | 1826 | IR | KERRY | 088 |
| James | O'Harrah | 1814 | PA, OH | 060 |
| James | O'Hara | 1771 | NY | DERRY | 233, 569 |
| James | O'Hara | 1805 | DERRY | 233 |
| James | O'Hara | 1840-02, 1871-10-09 | QB | 022 |
| James | O'Hara | 1842-02-08 | QB | 051 |
| James | O'Harrah | 1814, 1896 | PA, OH | 046, 268, 311, 312 |
| James | O'Hara | 1800 | IRELAND | 716 |
| James | O'Hara | 1842 | ON, QB | 052, 663 |
| James | O'Hara | 1867 | ON | 228, 666 |
| James | O'Hara | 1855 | NY, WI | 053 |
| James | O'Hara | US | 059 |
| James | O'Hara | 1884 | EN | 743, 744, 745, 760, 748, 817 |
| James | O'Hara | 1864? | NY | 085 |
| James | O'Hara | 1830, 1880 | CN, NY | 114 |
| James | O'Hara | 1875-10 | MA, IL | 089 |
| James | O'Hara | 1830 | CN, NY | 115 |
| James | O'Hara | IR, MA | IRELAND | 118 |
| James | O'Hara | 1864 | SLIGO | 143, 196 |
| James | O'Hara | IR | SLIGO | 535, 653 |
| James | O'Hara | IR ? | MAYO | 146 |
| James | O'Hara | 1856, 1889-02-15 | NY | ROSCOMMON | 153, 224, 481, 788, 967 |
| James | O'Hara | 1890 | PA | 165, 338, 736 |
| James | O'Hara | 1814, 1896 | PA ? | 313 |
| James | O'Hara | 1890 | ON | 238 |
| James | OHara | IR | TYRONE | 203, 207 |
| James | O'Hara | 1875 | MA ?, IL | 208 |
| James | O'Hara | PA ? | 254 |
| James | O'Hara | 1858, 1870 | KY, NJ, NY | IRELAND | 255 |
| James | O'Hara | 1858 | KY | 255 |
| James | O'Hara | NJ | 257, 171, 182 |
| James | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| James | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| James | O'Hara | US | 324 |
| James | O'Hara | 1892 | IR | LEITRIM | 795 |
| James | O'Hara | 1862 | AU | CAVAN | 360 |
| James | O'Hara | 1887, 1919 ? | CN | IRELAND | 506 |
| James | O'Hara | OH, PA | 376 |
| James | O'Hara | 1868 | OH, PA, CA | IRELAND | 463 |
| James | O'Hara | OH?,PA?, CA | 463 |
| James | O'Hara | 1892 | IR, SL | LEITRIM | 454, 456 |
| James | O'Hara | IR | ANTRIM | 499 |
| James | Hara | 1823, 1852, 1901 ? | IR | KERRY | 613 |
| James | O'Hara | ON ? | ENGLAND ? | 516, 825 ? |
| James | O'Hara | CN, IL | 825, 516 ? |
| James | O'Hara | 1880 ?, 1881 | EN | 764 |
| James | O'Hara, O'Harah | 1800+ | PA | 541 |
| James | O'Hara | 1846, 1848 | ON | 558, 686, 336, 402, 892, 898, 965, 972 |
| James | O'Hara | 1875-10-31; 1881+ | ON | 558, 644, 884, 910, 923, 1 0 0 1, 1 0 3 1, |
| James | O'Hara | 1798-03-17; 1823; 1891-03-20 | IR, MN | LIMERICK | 574, 577, 735 |
| James | O'Hara | 1838 | IR | LIMERICK | 735 |
| James | O'Hara | IR | LIMERICK | 583 |
| James | O'Hara | 1888 ? | MA ? | IRELAND | 588 |
| James | O'Hara | NY | SLIGO | 814 |
| James | O'Hara | IR, SL ? | ANTRIM | 592 |
| James | O'Hara | 1798-03-17; 1802 ?, 1847, 1891-03-20 | IR, IA, MN | LIMERICK | 648, 669 |
| James | O'Hara | CT | MAYO | 708 |
| James | O'Hara | PA | 728, 724 |
| James | O'Hara | 1869 | EN | 777 |
| James | O'Hara | 1830s, 1840s, 1911 | ON?, NY | IRELAND | 783 |
| James | O'Hara | NY | 783, 877? |
| James | O'Hare?, O'Hara | 1877?; 1901-08-08 | NY, IL ? | 877, 783 ? |
| James | O'Hara | 1799, 1884 | IL | 869 |
| James | O'Hara | 1887-10, 1904, 1914+ | MB, AB | ANTRIM | 279, 818 |
| James | O'Hara | 1860s | CN, IL | 821 |
| James | O'Hara | PA | 830 |
| James | O'Hara | 1848, 1849 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| James | O'Hara | <1936 | AU | ANTRIM | 843, 845 |
| James | O'Hara | NY | 847 |
| James | O'Hara | 1910 | IA | 853 |
| James | O'Harra | c. 1800 ? | NC, SC, AL ? | 855 |
| James | O'Hara | 1918 | NY | 880 |
| James | O'Hara | 1837 | IR | ANTRIM, DERRY ? | 895 |
| James | O'Hara | 1795 | IR | SLIGO | 930 |
| James | O'Hara | 1858 | NY | 932 |
| James | O'Hara | 1850 ? | WI | MAYO ? | 936 |
| James | O'Hara | 1862-10-18 | SL | 942 |
| James | O'Hara | 1874-11-29; 1900-12-21 | SL | 942, 955 |
| James | O'Hara | IR, US | SLIGO | 948 |
| James | O'Hara, Judge | 1810?, 1845, 1865 | AU | LEITRIM ? | 974, 977, 978 |
| James | O'Hara | 1857 | AU | 974, 975 |
| James | O'Hara | SL | 994 |
| James | O'Hara | 997, 999 |
| James | O'Hara | 1849?, 1860+ | CT | 1 0 3 9, 1 0 4 0, |
| James | O'Hara | 1861 | EN, AU | 1 0 5 7, |
| James | O'Hara | 1826 | ON | 1 1 1 4, 1 1 4 9, |
| James | O'Hara | 1856, 1870, | IL | IRELAND | 1 1 0 5, |
| James | O'Harra | 1864, 1870, | IL | IRELAND | 1 1 0 4, |
| James | O'Hara | 1862, 1870, | WI, IL, | 1 1 0 4, |
| James | O'Hara | 1828, 1831+ | ON | 1 1 3 9, 1 1 5 6, |
| James | O'Hara | 1893-07 | MA | 1 1 9 6, 1 2 0 0, |
| James | O'Hara | 1824, 1860+ | PA | IRELAND | 1 2 1 0, |
| James | O'Hara | 1852, 1860+ | PA | 1 2 1 0, |
| James Jr. | O'Hara | 1790 ? | KY | IRELAND | 308 |
| James M. | O'Hara | 1848, 1883, 1888 | OH | DUBLIN | 243 |
| James, F. | O'Hara | 1822-09-14, 1845, 1901-12-28 | MD | MAYO | 200 |
| James, "William" | O'Hara | 1750-1817 | GA, SC ? | IRELAND | 698 |
| James, A. | O'Hara | 1914, 1918 | EN | 449, 933 |
| James, A. | O'Hara | 1918, 1919, 1924 | PA | 721 |
| James, A. (2) | O'Hara | 1920 | PA | 721 |
| James, Arthur | O'Hara | 1888 | OH | 243 |
| James, B. | O'Harra | 1851?, 1860 | NY | 1 0 3 8, |
| James, Daniel | O'Hara | 1884 ? | IL ? | 168 |
| James, E. | O'Hara | 1865, 1919 | MA, PA | 129 |
| James, Edward | O'Hara | 1865, 1909 | ON | 192 |
| James, Edward | O'Hara | 1880, 1920 | NJ | 171, 182, 257 |
| James, Edward | O'Hara | 1865, 1909 | ON, PA ? | 305 |
| James, Edward | O'Hara | 1860, 1865 | MA | IRELAND | 364 |
| James, F. | O'Hara | 1822-09-14, 1845, 1901-12-28 | MD | MAYO | 200, 201 |
| James, Felix | O'Hara | 1887-10-03; 1969-12-07 | MN | 981 |
| James, Francis | O'Hara | 1926(?)-12-07; 1989 ? | NY | 708 |
| James, G. | O'Harrah | 1825 | OH | 018 |
| James, General | O'Hara | 1752, 1819 | PA | IRELAND | 872 |
| James, Harvey, Henry ? | O'Hara, O'Haro, O'Harrow | 1845-10-25; 1866-12-16; 1919-04-11 | IN | 881, 950, 956 |
| James, Henry | O'Hara | PA | 302 |
| James, Henry | O'Hara | 1872-09-08; 1896; 1945-06-27 | 956 |
| James, Hezekiah | O'Hara | TX, AL ? | 559 |
| James, J. | O'Hara | 1870-01-06; 1920-03-03 | NY | 804 |
| James, J. | O'Hara | 1870?, 1880, | PA | 1 0 7 0, |
| James, J. ?, A. ? | O'Hara | 1914, 1918+ | NY | 931 |
| James, Jacob | O'Hara | 1830s, 1843, 1855, 1858 | NY, WI | SLIGO | 053, 510, 556, 935, 1 2 3 6, 1 2 3 7, 1 2 4 5, |
| James, Joseph | O'Hara | 1866 | NY | 932 |
| James, Lawrence | O'Hara | 1896 | PA | 981 |
| James, Mark | O'Hara | 1952, 1956 | CA, OR | 317 |
| James, Michael | O'Hara | 1914-06-24; 1988-02-20 | NE, CA | 496 |
| James, Patrick | O'Hara | 1867 | ON | 239 |
| James, Patrick | O'Hara | 1867 | ON | 238 |
| James, Patrick | O'Hara | 2002 | US ? | 779 |
| James, Patrick | O'Hara, O'Hare | 1967, 1968 | NC | 737 |
| James, Patrick | O'Hara | 1949 ?, 1967, 1968 | NJ, NC | 750 |
| James, Phillip | O'Hara | PA, IN ? | 595 |
| James, Phillip | O'Hara ? | PA ? | 596 |
| James, Squire | O'Hara | 1797, 1882 | NY | 784, 883, 901 |
| James, Thomas | O'Hara | 1960 | PA | 659 |
| James, Vincent | O'Hara | 1867-07-19; 1889-09-29; 1954-10-22 | MA | 701, 704 |
| Jane | O'Hara | 1857 | NY | 114 |
| Jane | Beach, O'Harah | 1829-12-07 | OH | 018 |
| Jane | Boyde, O'Hara | 1827 | US? | ROSCOMMON? | 100, 101 |
| Jane | O'Hara | US | 122 |
| Jane | O'Hara, Howard | 1855 | CN, NY | 115 |
| Jane | O'Hara, Bartell | 1834, 1851, 1922-05-26 | NY | DOWN, DERRY ? | 158, 160 |
| Jane | Ferrier, O'Harrah | 1814 | PA | 241 |
| Jane | McGuggan, O'Hara | 1801, 1879 | IR | MAYO, DERRY, DOWN ? | 263 |
| Jane | O'Hara | 1854, 1892 | IR | MAYO, DERRY, DOWN | 263 |
| Jane | Montgomery, O'Hara | 1863-09-17 | IR | ANTRIM | 296, 322 |
| Jane | Johnston, O'Hara | 1843, 1845 | EN | ENGLAND ? | 401 |
| Jane | Boyd, O'Hara | 1852, 1874, 1926 | SL | ANTRIM | 430 |
| Jane | O'Hara, O'Hara | 1806 | PA, OH ? | 439 |
| Jane | Boyd, O'Hara | 1874 | SL | ANTRIM | 499 |
| Jane | O'Hara | 1870, 1881 | EN | 764 |
| Jane | O'Hara | 1863, 1871 | EN | 759, 811 |
| Jane | O'Hara, Teskey | 1859 | ON | 770 |
| Jane | O'Hara | 1842, 1843 | ON | IRELAND | 873 |
| Jane ? | O'Hara | SL | 464 |
| Janet | O'Hora, O'Hara ? | PA | 659 |
| Jas, James ? | O'Hara | 1843, 1850 | NY | IRELAND | 1 0 5 8, |
| Jasmine | O'Hara | 2004+ | 1 1 4 3, |
| Jason, Richter | O'Hara | 1977-06-22; 2003+ | NY | 804 |
| Jean | Traynor, O'Hara | SL | 532 |
| Jean | McGinty, O'Hara | 1890 ? | SL ? | SCOTLAND | 571 |
| Jean | O'Hara | PA | 889 |
| Jean | O'Hara | 1900s | SL | SLIGO | 1 1 7 8 |
| Jeannette, Marie | O'Hara | TX | 561 |
| Jennie | O'Hara | GA | 359 |
| Jennie | O'Hara | 1960 | SC | 226 |
| Jennie | McDevitt, O'Hara | 1916, 1918, 1933 | WA | 860, 861, 863 |
| Jennie, Belle | O'Hara | 1880-10-14 | IN | 303 |
| Jennie, C. | Siferte, O'Hara, Fry | 1882 | OR | 375, 1 0 1 4, |
| Jennie, E. | McCarthy, O'Hara | NY | 804 |
| Jennirose, E. | O'Hara | 1909, 1930 | OH | 984, 1 0 6 4, |
| Jeremiah | O'Hara, O'Harah | c.1854, 1857?, 1880, 1883, 1893, 1925 | NY | 042, 374, 986, 1 0 6 1, 1 0 6 2, |
| Jeremie | O'Harra | 1862?, 1870+ | NY | 1 0 3 7, |
| Jerome | O'Hara | ON, PA, NJ ? | 298, 305 |
| Jerome | O'Hara | 1864-07-19 | NY | 1 0 7 2, 1 1 0 0, 1 1 2 1, 1 1 2 2, |
| Jerry | O'Hara | PA | 762 |
| Jerry, Jerimiah | O'Hara | 1854, 1870 | NY | 1 0 5 9, 1 0 6 0, |
| Jessie, E. | Harris, O'Hara | 1910 | IA | 853 |
| Jewel | O'Hara | 1897 | PA | 724, 728 |
| Jim | O'Hara, Rodgers | 1857-01 | OK, TX, LA, MS | IRELAND | 300, 647 |
| Jim | O'Hara | 786 |
| Jim | O'Hara | 1922?, 2002+ | PA | 813 |
| Jimmy | O'Hara | IL | 768 |
| Joan | Birks, O'Hara | 1950 | EN | 658 |
| Joan, Marie | O'Hara, Foley | 1924-05-23; 2002+ | NY | 708 |
| Joanna, Johanna | Whelan, O'Hara | 1850?; 1873-10-28; 1878; 1936 | ON, NY | IRELAND ? | 558, 644, 790, 871, 884, 919, 922, 923, 938, 997, 1 0 0 1, 1 0 2 0, 1 0 3 1, |
| Joe | O'Hara | NY | SLIGO ? | 814 |
| Joe | O'Hara | PA | 762 |
| Joe | O'Hara | IR, EN | SLIGO | 948 |
| Johanna | O'Hara, Moll | NY | IRELAND | 408 |
| Johanna | O'Hara | 1830s, 1840s, 1883 | ON?, NY | IRELAND | 783 |
| John | O'Hara | 1926 ?; 1956-01-27 | ME ? | 500 |
| John | O'Hara | SLIGO | 143 |
| John | O'Hara | 1864-06-28 | SL | 180 |
| John | O'Hara | US ? | CORK | 304 |
| John | O'Hara, O'Harah | 1800+ | PA | 541 |
| John | O'Hara | IR | LIMERICK | 583 |
| John | O'Hara | 1849 ?, 1860 | NY, OH | 657 |
| John | O'Hara | 1845 | US | CAVAN | 004 |
| John | O'Hara | 1880, 1900 | ND | 007 |
| John | O'Hara | 1800, 1820 | NY | 011, 233, 569 |
| John | O'Hara | 1855 | NY | 016 |
| John | O'Hara | 1887 | 033 |
| John | O'Harrah | 1850 | PA, OH | 268 |
| John | O'Hara | 1898 | IA | 251, 252 |
| John | O'Hara | ON | 228, 666 |
| John | O'Hara, Harold, Harrold | 1875, 1900, 1915 | EN, CN | IRELAND | 328, 347, 340, 678, 775, 776 |
| John | O'Hara | 1855 | NY, WI | 053 |
| John | O'Hara | 1871 | EN | 743, 744, 745, 760, 748, 817 |
| John | O'Hara | MA, IL | 089 |
| John | O'Hara | 1850, 1870, 1880 | IR, PA, IL | MAYO | 098 |
| John | O'Hara | ON | 123 |
| John | O'Hara | IR | SLIGO ? | 535, 653 |
| John | O'Hara | 1841 | IR | SLIGO | 654 |
| John | O'Hara | 1850 | IR | MAYO | 146 |
| John | O'Hara | IR ? | MAYO | 146 |
| John | O'Hara | 1860 | NY | 154 |
| John | O'Hara | NY | 161, 154 |
| John | O'Hara | 1805, 1831, 1848, 1850 | CN, PA, IL, MO | 178 |
| John | O'Hara | PA | 277 |
| John | O'Hara | 1905, 1970 | PA | 277, 285, 384, 385, 1 0 7 0, |
| John | O'Hara | 1860 | ON | 195, 238, 663 |
| John | O'Hara | MA ?, IL | 208 |
| John | O'Hara | 1885 | NY | SLIGO | 261 |
| John | O'Hara | 1812 ?, 1840, 1843 | MD, PA, WI ? | 227, 552, 797, 870 |
| John | O'Hara | 1793, 1873 | IR | MAYO, DERRY, DOWN ? | 263 |
| John | O'Hara | 1816, 1910 | IR | MAYO, DERRY, DOWN | 263 |
| John | O'Hara | 1832, 1863-09-17 | IR | ANTRIM | 296, 322 |
| John | O'Hara | ON, PA, NJ ? | 298, 305 |
| John | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| John | O'Hara | IN | 303 |
| John | O'Hara | EN, CN | IRELAND | 327, 674 |
| John | O'Hara | 1921-07-30 | ON | 307 |
| John | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| John | O'Hara | 1829 | EN | IRELAND ? | 323 |
| John | O'Hara | US | 324 |
| John | O'Hara | SL | IRELAND | 464 |
| John | O'Hara | 357 |
| John | O'Hara | 357 |
| John | O'Hara | 1858-08-07, 1910-09-16 | PA | ENGLAND | 339, 341 |
| John | O'Hara | 1851, 1875, 1901 | ON, WI | 766, 767, 769, 770 |
| John | O'Hara | 1880-08-21; 1968-12 | MI | 370?, 381,382 |
| John | O'Hara | 1914, 1918 | SL | SCOTLAND | 386 |
| John | O'Hara | 1871-09 | IR | ANTRIM | 423 |
| John | O'Hara | EN | 432 |
| John | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| John | O'Hara | 1855-10, 1862; 1900, 1910, 1920 | IA, UT, WY | SCOTLAND | 599 |
| John | O'Hara | NJ | IRELAND | 593, 527, 594 |
| John | O'Hara | 1867 ?, 1881 | EN | 764 |
| John | O'Hara | EN ? | 529 |
| John | O'Hara | 1875-10-31; 1881+ | ON | 558, 644, 884, 910, 923, 1 0 0 1, 1 0 3 1, |
| John | O'Hara | 1854, 1855, 1890 | WI, CA | 560 |
| John | O'Hara | 1847 | IR | ANTRIM | 575 |
| John | O'Hara | 1850? | NY | IRELAND | 581 |
| John | O'Hara | 1855-10; 1862 | WI ? | SCOTLAND | 598, 600 |
| John | O'Hara | 1879 | NY | SLIGO | 591 |
| John | O'Hara | IR, SL ? | ANTRIM | 592 |
| John | O'Hara, O'Harah ? | 1819 ? | PA | 596 |
| John | O'Hara | IR | MAYO | 631 |
| John | O'Hara | CA ? | MAYO | 671 |
| John | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| John | O'Hara | 1890s, 1915 ? | CT | SLIGO | 643 |
| John | O'Hara | 1845 ?, 1888, 1904 | SL | DERRY | 672, 703 |
| John | O'Hara | 1823-11-23 | IR | DOWN | 690 |
| John | O'Hara | 1850s, 1900 | PA, MA | DERRY | 701, 704, 717 |
| John | O'Hara, O'Harra | 1870 | OH | 705, 722, 733, 739, 854 |
| John | O'Hara | 1920s, 1930s | NY | MAYO | 708 |
| John | O'Hara | 1900 | NY | 751 |
| John | O'Hara | 1867 | EN | 777 |
| John | O'Hara | 1826 | EN | IRELAND | 777 |
| John | O'Hara | 1891 | ON | 770 |
| John | O'Hara | WA | 772, 773 |
| John | O'Hara | NY | 783 |
| John | O'Hara | 786 |
| John | O'Hara | PA | 794 |
| John | O'Hara | 1812 ? | WI, MD ? | 797, 870 |
| John | O'Hara | PA | 799 |
| John | O'Hara | 1850, 1851, 1855, 1920 | NY | LEITRIM | 804 |
| John | O'Hara | 1780, 1794 | IR | CAVAN | 819 |
| John | O'Hara | 1841, 1846, 1847 | NY, CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| John | O'Hara | 1900s | NY | SLIGO | 847 |
| John | O'Hara | 1840s | IR | WEXFORD, DUBLIN | 856 |
| John | O'Hara, O'Harrow | 1825 ?; 1842-04-19 | OH | 881, 950, 956 |
| John | O'Hara | PA | 889 |
| John | O'Hara | 1837 | IR | ANTRIM, DERRY | 895 |
| John | O'Hara | 1900-08-08 | ON | 926 |
| John | O'Hara | 1853 | NY | 932 |
| John | O'Hara | IR, SL | 942 |
| John | O'Hara | 1860-05-01; 1881 | SL | 942, 955 |
| John | O'Hara | 1881 | EN | ANTRIM | 947 |
| John | O'Hata | 1855 | AU | 974, 975 |
| John | O'Hara | PA | 985, (799) |
| John | O'Hara | 1852 | PA | 981 |
| John | O'Hara | 1895-06; 1896?; 1900+ | MN | 981 |
| John | O'Hara | 1904 | MA | 993 |
| John | O'Hara | SL | 994 |
| John | O'Hara | 1860s | MA | DERRY | 701, 704 |
| John | O'Hara | 1850 | PA | 1 0 0 9, 1 0 1 8, |
| John | O'Hara | 1841?, 1844?, 1846?, 1880+ | EN?, NY, CT | IRELAND | 1 0 3 9, 1 0 4 0, 1 0 4 1, 1 0 4 2, |
| John | O'Hara | 1871?, 1880+ | CT | 1 0 4 2, |
| John | O'Hara | 1847?, 1880+ | CT | IRELAND | 1 0 4 2 |
| John | O'Hara | 1870-05, 1887, 1889, 1891, 1930+ | IL | IRELAND | 1 0 4 7, 1 0 4 8, 1 0 4 9, 1 0 5 0, |
| John | O'Hara | 1897-07-11 | IL | 1 0 5 2, |
| John | O'Hara | 1842, 1843, 1870 | NY | IRELAND | 1 0 5 9, 1 0 6 0, |
| John | O'Hara | 1846, 1920 | OH | IRELAND | 1 0 6 5, |
| John | O'Hara, O'Harra | 1880, 1910 | OH | 1 0 6 6, |
| John | O'Hara | 1843, 1844 | QB, NY | LEITRIM ? | 1 0 7 2, 1 0 8 3, 1 0 9 3, 1 0 9 6, 1 1 0 0, 1 1 0 3, 1 1 2 1, 1 1 2 2, 1 1 2 6, 1 1 2 7, 1 1 2 8, 1 1 3 0, 1 1 3 7, 1 1 4 5, |
| John | O'Hara | 1830, 1860+ | NY | IRELAND | 1 0 8 2, |
| John | O'Hara | 1824, 1860+ | NY | IRELAND | 1 0 8 2, |
| John | O'Hara | 1857, 1860+ | IL | 1 0 8 8, 1 0 9 1, |
| John | O'Hara | c. 1877, 1880, | MD, IL | 1 1 0 6, |
| John | O'Hara | 1827, 1870, | IL | IRELAND | 1 1 0 5, |
| John | O'Hara | 1860 ? | GA | 1 2 3 2, |
| John | O'Hara | 1850 ? | ON ?, MI ?, NY | LEITRIM, MAYO | 1 1 0 1, |
| John | O'Hara | c.1809 | 1 1 8 9, 1 1 9 0, |
| John | O'Hara | 2004+ | IR | SLIGO | 1 1 9 7, (117?) |
| John (1) | O'Hara | 1803 | OH | 1 1 9 0, |
| John (2) | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| John (2) | O'Hara | NY | 847 |
| John (2) | O'Hara | 1858, 1860+ | NY | 1 0 8 2, |
| John (2) | O'Hara | IL, WI | 1 1 9 0, |
| John (Jr.) | O'Hara | CT | MAYO | 372 |
| John (Sr.) | O'Hara | CT | MAYO | 372 |
| John ? | O'Hara | US | 122 |
| John ? | O'Hara, O'Hora ? | PA | 184 |
| John ? | O'Hara | 1834, 1836 | IN | IRELAND | 675 |
| John G. | O'Hara | 1891-02-08; 1937-12-09 | OH | 495, 635, 637, 638 |
| John J. (2) | O'Hara | PA, IN ? | 595 |
| John James | O'Hara | 1807, 1861 | QB | ARMAGH | 084, 092 |
| John Patrick | O'Hara | 1860-08-20 | IA, IL | LIMERICK | 220 |
| John, J. | O'Hara | 1855 ?, 1886 | ON | 238, 272, 663 |
| John, B. | O'Hara | 1859, 1865 ? | MO | 335 |
| John, B. | O'Hara | 1922 | PA | 721 |
| John, B. | O'Hara | 1876, 1877 | OH, PA | 741 |
| John, Doctor | O'Hara | 1830-09-21; | ON | 1 1 4 0, 1 1 5 6, |
| John, E. | O'Hara | 1890?, 1970? | ME, FL | 500 |
| John, Edward | O'Hara | 1882 | MA | 179 |
| John, Edward | O'Hara | 1890-06-26 | PA ? | 341 |
| John, F. | O'Hara | 1895, 1953 | NY | 480 |
| John, Fiske | O'Hara | 1848, 1890 | PA, SD | 006, 113 |
| John, Francis | O'Hara | 1915, 1920, 1930 | NY, CT | 890, 980 |
| John, Gerald | O'Hara | MO, TX, CA | 106 |
| John, H. | O'Hara | 1850 ?, | 1 1 8 9, |
| John, Henry | O'Hara | 1840, 1858 | QB, NY | MAYO | 138, 222 |
| John, Horance | O'Harrah, O'Hara | 1853 | PA, FL | 241 |
| John, J. | O'Hara | 1855 | ON | 239 |
| John, J. | O'Hara | 1887 | FL ? | 241 |
| John, J. | O'Hara | KY | 495 |
| John, J. | O'Hara | 1819 ? | PA, IN | 595 |
| John, J. | O'Hara | 1884; 1914-11-02 | NY | 804 |
| John, J.(4) | O'Hara | 1889, 1947 | PA | 981 |
| John, Jack | O'Hara | ON, PA ? | 305 |
| John, Jack | O'Hara | 1891 ? | OH, KY | 495, 635, 637, 638 |
| John, Jack | O'Hara | PA | 728, 724 |
| John, Jack | O'Hara | 2003 | VA ? | 954 |
| John, Jack, James | O'Hara | 1865, 1920-04-25 | NY | 014, 015, 125 |
| John, Jack, Robert | O'Hara | 1918-04-09; 1986-11 | NY | 804 |
| John, James | O'Hara | ON | 213 |
| John, James | O'Hara | 1807 | ON, QB | 215, 258 |
| John, James | O'Hara | 1807 | IR, ? | ANTRIM, ? | 099 |
| John, James | O'Hara | 1807 | QB | 665, 666 |
| John, James | O'Hara | 1807, 1861 | QB | ARMAGH | 091 |
| John, James | O'Hara | 1807, 1840, 1849 | ON, QB | 351 |
| John, James | O'Hara | 1886 | ON | 272 |
| John, James | O'Hara | 1860 | ON, SK ? | 282, 287 |
| John, James, Patrick | O'Hara | 1830, 1880 | AS | IRELAND ? | 420 |
| John, Joannes | O'Hara, O'Harah | 1842-07-10, 1843 ?, 1850?, 1880, 1888, 1893 | NY | IRELAND, GALWAY | 374, 986, 1 0 6 1, 1 0 6 2, 1 0 6 3 |
| John, Joseph, J. | O'Hara | 1889-01-24;1895 ?; 1963-01 | NY, NJ | 1 2 0 1, 1 2 0 2, 1 2 0 3, 1 2 0 5, 1 2 0 6, |
| John, Keith | O'Hara | 786 |
| John, L. | O'Hara | 1882?, 1884, 1920, 1930 | OH | 984, 1 0 6 4, 1 0 6 5, 1 0 6 6, |
| John, M. | O'Hara | 1805, 1831, 1850 | CN, PA, MO, IL | 605 |
| John, Marcus | O'Hara | IL, PA ? | 178 |
| John, Marcus | O'Hara | 1840s | MO, IL | 605 |
| John, Michael | O'Hara | 1952, 1956 | CA, OR | 317 |
| John, Michael | O'Hara | 1865-07-05; 1888-07-04; 1942-04-15 | MA | 701, 704 |
| John, P. | O'Hara | 1938, 1940, 1969 | MI | 370, 381?, 382? |
| John, Patrick | O'Hara | MAYO | 485 |
| John, Patrick | O'Hara | 1940 | MA | 049, 086, 827 |
| John, Patrick | O'Hara | MA | 118, 827 |
| John, Patrick | O'Hara | US | LIMERICK | 236 |
| John, Patrick | O'Hara | IA | 358 |
| John, Patrick | O'Hara | 1830,1880 | AS | IRELAND | 420 |
| John, Patrick | O'Hara | NY | IRELAND ? | 452 |
| John, Patrick, P. | O'Hara | 1897-3 ?; 1900 ? | MA | 588, 827, 1 1 9 6, 1 2 0 0, |
| John, Robert | O'Hara | 1952, 1956 | CA, OR | 317 |
| John, Shane | O'Hara | 1500+ | IR | ANTRIM | 069 |
| John, Sr. | O'Hara | IR ? | DERRY | 701, 704 |
| John, Terrance | O'Hara | 1879, 1882, 1927 | NY | 754 |
| John, Thomas | O'Hara | 1920-03-24; 1999-11-02 | CT, TX | 890, 980 |
| John, Victor | O'Hara | 1913-02-10; 1988-03-21 | NE, IA | 496 |
| John, W. | O'Hara | 1855-03, 1930 | IN, WA | 673 |
| John, Watson . | O'Hara | 1920 | QB, PE, MA | 183 |
| John, William | O'Hara | 1873, 1947 | PA, NY | 835 |
| John, Wyane | O'Hara | 786 |
| Johnny | O'Hara | 1925-1934-02-29 | NY | 708 |
| Joselynn | O'Hara | NB | 493 |
| Joseph | O'Hara | 1898 | IA | 251, 252 |
| Joseph | O'Hara | 1900, 1910 ? | NY | 409, 413 |
| Joseph | O'Hara | PA | 021 |
| Joseph | O'Hara | 1863 | ON | 239 |
| Joseph | O'Harrah | 1860-08-08 | OH | 046 |
| Joseph | Harra | 1840 | PA | 071 |
| Joseph | O'Hara | 1830 | PA | 071 |
| Joseph | O'Hara | 1863 | ON | 228, 666 |
| Joseph | O'Hara | 1867-05-20 | AU | 057 |
| Joseph | O'Hara | 1900-07-21 | MN, ME, NY | 163 |
| Joseph | O'Hara | 1900 | US | SCOTLAND | 176, 177 |
| Joseph | O'Hara, O'Hora | 1920 | PA, NY | 184 |
| Joseph | O'Hara | 1863 | ON | 238 |
| Joseph | O'Hara | NJ | 257, 171, 182 |
| Joseph | O'Hara | LA | 320, 1 0 0 7, |
| Joseph | O'Hara | US | 324 |
| Joseph | O'Hara | 1874-10 | IR | ANTRIM | 423 |
| Joseph | O'Hara | 1868, 1922 | IR, EN | CLARE | 432 |
| Joseph | O'Hara | NY | 582 |
| Joseph | O'Hara | 1794, 1879-04-18 | IR | CAVAN | 819 |
| Joseph | O'Hara | 1845 | IR | DUBLIN ? | 820, 823 |
| Joseph | O'Hara | 1891 | NY | 961 |
| Joseph | O'Hara | 1899-08-23; 1983-09 | PA | 983 |
| Joseph | O'Hara | 1869?, 1870, 1880, 1890, 1891 | LA | 1 0 2 4, 1 0 2 7, 1 0 2 8, |
| Joseph | O'Hara | 1833 ?, 1870, | NS, LA | 1 0 2 7, 1 0 2 8 |
| Joseph | O'Hara | 1853, 1860+ | NY | 1 0 8 2, |
| Joseph | O'Hara | 1850 ? | 1 1 8 9, |
| Joseph, A., Big Daddy | O'Hara | 1870-01, 1890-01-06,1894, 1920, 1930, 1936 | LA | 320, 1 0 0 7, 1 0 2 3, 1 0 2 4, 1 0 2 5, 1 0 2 6, 1 0 2 9, |
| Joseph, Felix | O'Hara | 1890-05; 1900+ | MN | 981 |
| Joseph, J. | O'Hara | 1873-04-17; 1881 | SL | 942, 955 |
| Joseph, Jerome | O'Hara | MO, TX, CA | 106 |
| Joseph, John | O'Hara | 1916-09-13 | ON | 216 |
| Joseph, Lawrence | O'Hara | 1891 | ON | 238 |
| Joseph, Leo | O'Hara | 1879 | NY | 591 |
| Joseph? | O'Hara | PA | 889 |
| Josephine | O'Hara | IL ? | 825 |
| Josephine | O'Hara | 821 |
| Josephine | O'Hara | 1899-08, 1930+ | IL | 959, 1 0 4 7, 1 0 4 8, 1 0 4 9, 1 0 5 0, |
| Josephine, Rachel | O'Hara, Bender | 1864-06-10, 1885-10-14, 1902-02-12 | 149, 151, 152 |
| Josephine. | O'Hara | NY ? | 255 |
| Joshua | O'Hara | 1882 | IA | 781 |
| Julia | O'Hara | 1845 | US | 004 |
| Julia | Clear, O'Hara | 1858-10-15; 1940-04-02 | MN | 105, 981 |
| Julia | O'Hara, Kelly | c.1834, 1868-09-19, 1880+ | OH, IL, KS? | IRELAND | 373, 1 1 6 6, |
| Julia | Byrne, O'Hara | NY | IRELAND ? | 452 |
| Julia | O'Hara | PA | 530 |
| Julia | O'Hara | WI, MD ? | 797 |
| Julia | Kelley, O'Hara | ND | 007 |
| Julia | O'Hara | 1858, 1870+ | NY | 1 0 8 4, 1 0 9 5, |
| Julia | O'Hara | 1850s; 1860s?, | NY, EN | IRELAND | 1 1 0 0, 1 1 2 2, 1 1 2 4, 1 1 2 7, 1 1 2 8, 1 1 2 9, |
| Julia, Edith | O'Hara | 1898 | ON | 770 |
| Justin, Jay | O'Hara | NJ ? | 1 2 0 1, |
| Kane | O'Hara | 1790 ? | KY | IRELAND | 308 |
| Kane, Kean | O'Hara | 1820 | KY | 292, 293, 295 |
| Kate | O'Hara | PA | 034 |
| Kate | Moran, O'Hara, O'Hare ? | 1876 | RI | 218 |
| Kate | O'Hara | 1861 | ON, SK ? | 282, 287 |
| Kate | O'Hara | OH, PA | 376 |
| Kate | O'Hara ? | NS, ON ? | 925 |
| Kate | O'Hara | c. 1833, 1860 | IL | IRELAND | 1 0 8 8, 1 0 9 1, |
| Kate | O'Hara | 1845, 1860+ | PA | 1 2 1 0, |
| Kate, Ellen | Coffey, O'Hara | 1900-07-21 | ME, NY | 163 |
| Katherene | O'Hara | 1875, 1930 | OH | 1 0 6 4, |
| Katherine | O'Hara | MA | 179 |
| Katherine | O'Hara, Norton | 1864-01-01; 1945-08-26 | NY | 804 |
| Katherine | Emerson, O'Hara | 1900; 1984-01 | NY | 804 |
| Katherine | Callahan, O'Hara | IRELAND | 044 |
| Katherine | O'Hara | 1937-01-30 | IR | MAYO | 483 |
| Katherine | Dieterich, O'Hara | CA ? | 106 |
| Katherine | Croak, O'Hara | 1902 | PA | 185 |
| Katherine | O'Hara, McGuillan | IR, US ? | LEITRIM | 301 |
| Katherine | Mannion, O'Hara | 1900 ? | NJ ? | MAYO | 391 |
| Katherine | O'Hara | EN | 432 |
| Katherine | O'Hara | IR ? | MAYO | 517 |
| Katherine | Mannion, O'Hara | 1900s | OH | SLIGO, MAYO | 626 |
| Katherine | O'Hara | 1900s | OH, MA ? | SLIGO, MAYO | 626 |
| Katherine | O'Connor, O'Hara | 1915 ? | CT | 643 |
| Katherine, H. | O'Hara | c.1916, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Katherine, Kathryn | Croak, O'Hara | 1902 ? | PA ? | 181, 719 |
| Katherine, Kit | Ford, O'Hara, O'Hayer | 1866 | IL | 266, 632 |
| Katherine, Kitte | O'Hara | NY | 783 |
| Katherine, Marie | O'Hara | 2000-04-28 | IL | 659 |
| Kathleen | O'Hara | 1922-07-14; 1988-03-01 | NY | 708 |
| Kathleen | O'Hara, Perez | 1957-01-29; 2003+ | NY | 804 |
| Kathleen | O'Hara | NY | 374 |
| Kathleen | O'Hara | NY | 042 |
| Kathleen | O'Hara | PA | 659 |
| Kathleen | O'Hara | MA | 701, 704 |
| Kathleen | O'Hara, Campball | 786 |
| Kathleen | O'Hara | 786 |
| Kathleen | Agostini, O'Hara | 786 |
| Kathleen | O'Hara | 786 |
| Kathleen | O'Hara | 1 1 4 3, |
| Kathleen, Amanda | O'Hara | 1887 | ON | 770 |
| Kathleen, P. | O'Hara, Bernhard | 1908-03-13, 1929, 1931, 1964 | NY | ANTRIM | 423 |
| Kathryn | O'Hara | US? | 304 |
| Kathryn | O'Hara | WI ? | 598, 600 |
| Kathryn | McManammon, O'Hara | 1890 | PA ? | 981 |
| Kathryn | O'Hara | c. 1910, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Katie | O'Hara | c. 1873, 1880 | MD, IL | 1 1 0 6, |
| Katie | O'Hara | 1 1 9 0, |
| Katie, Rose, Katy, Katie, Catherine, Katherine ?? | O'Hara, Fowler | c. 1870s, 1880s, 1903-10-14, 1907, 1910+ | NY, OR ? | CORK | 1 1 7 3, 1 1 7 4, 1 1 7 5, 1 1 7 6, 1 1 7 7, |
| Katrina | O'Hara | NB | 493 |
| Kevin | O'Hara | 786 |
| Kevin | O'Hara | 786 |
| Kevin, Rory | O'Hara | WA | 772, 773 |
| Kevin, Thomas | O'Hara | 1997-10-23 | IL | 659 |
| Krista | O'Hara | NB | 493 |
| L., S. | O'Hara | 1815 | II | 274 |
| Lady | O'Hara | IR | SLIGO, MAYO, LEITRIM ? | 1 0 7 3, 1 0 7 5, 1 0 7 7, 1 0 7 8, 1 0 9 3, 1 0 9 6, 1 1 1 0, 1 1 2 2, 1 1 2 4, |
| Laura | Laura, Worral | 1800, 1900 | CN | 073 |
| Laura, Ann | O'Hara | 1981?, 2001? | IR, FL | LIMERICK | 1 0 0 8, |
| Laura, Jane | O'Hara, O'Haro, McCoy | 1867-09-03; 1887; 1951-09-22 | IN, IA ? | 949, 950, 956, (881) |
| Laurie | Cervini, O'Hara | 1957-10-11; 1979-09-08; 2003+ | NY | 804 |
| Lavinia, Louivina | O'Hara, O'Harra, Murphy | 1829?, 1850-06-12, 1880 | OH, IA, | 1 1 7 9, 1 1 8 2, 1 1 8 5, |
| Lawrence | O'Hara | DERRY | 568 |
| Lawrence | O'Hara | MO | 335 |
| Lawrence | O'Hara | EN | 528, 764, 811 |
| Lawrence | O'Hara | 1831, 1891 | EN | 602 |
| Lawrence | O'Hara | 1831 | EN | 734 |
| Lawrence (2) | O'Hara | 1891 | EN | 602 |
| Lawrence, J. | O'Hora, O'Hara ? | PA | 659 |
| Lawrence, J. | O'Hora, O'Hara ? | 1898-06-02; 1955-12-09 | PA | 659 |
| Lawrence, J. | O'Hora, O'Hara ? | 1870, 1922 | PA | 659 |
| Lee | O'Hara, Mullenhoff | NY | 015, 014 |
| Lelan | O'Harra | 2004+ | 1 0 1 1, |
| Lena | Brink, O'Hara | 1918, 1919, 1924 | PA | 721 |
| Lena | Brink, O'Hara | 1914, 1918 ? | SL | 449, 933 |
| Leo | O'Hara | 1910 | NS, NB | 493, 688 |
| Leo | O'Hara | 1950s | ON | 607, 752 |
| Leo, Henry | O'Hara | 1916 | NB, NS | 929 |
| Levi | O'Hara | IL ? | 825 |
| Levi | O'Hara | 821 |
| Lilian | Buxton, O'Hara | EN | 760, 745 |
| Lillian | O'Hara | NY | 452 |
| Lillian | O'Hara | MA ? | 701, 704 |
| Lillian | O'Hara, Engle | 1921 ?, >=2002 | MO | 821 |
| Lillian, A. | O'Hara | 1881; 1955-04-21 | NY | 804 |
| Linie, Caroline | Murray, O'Hara | 786 |
| Lionel | O'Hara | MA | 188 |
| Lizzie | O'Hara, Jackson | 1850 | EN, CN | CORK | 367 |
| Lloyd | O'Hara | 786 |
| Loftus | O'Hara | 1900, 1910 ? | NY | 409, 413 |
| Loretta | Nestle, O'Hara | 1 1 4 3, |
| Loretta, H. | O'Hara | 1886; 1976-05-31 | NY | 804 |
| Lorne | O'Hara | 2001 | ON | 684, 685 |
| Louise | O'Hara, Doerbecker ? | NY | 804 |
| Louise, Anna | Breennan, O'Hara | CA ? | 604 |
| Lucille | O'Hara, McClarey | 1900, 1910 ? | NY | 409, 413 |
| Lucille | Finley, O'Hara | 1937 ? | AR, IL, TX ? | 636 |
| Lucille, Clara | Lingan, O'Hara | MD | 837 |
| Lucretia | Darbee, O'Hara | 1808 | NY | 468 |
| Luke | O'Hara | c. 1815 | IR ? | IRELAND | 994 |
| Lwayne | O'Harra | 1 0 1 1, |
| Lydia, Caldonia | Bedwell, O'Hara | 1884 ? | IL ? | 168 |
| M-, Mrytle | Natz- ?, O'Hara | 1918-04-08 | MT | 562 |
| M., Jane | O'Hara | ON, PA | 305 |
| Mabel | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Mabel (2) | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Mabel, Magdaline | Ballard, O'Hara | 1904-09-04 | MA | 701, 704 |
| Madeline | O'Hara | WI ? | 598, 600 |
| Madeline | O'Hara, Merriwether | PA | 799 |
| Madge ? | O'Hara | PA | 741 |
| Maggie | McDermott, O'Hara | 1892 | IR | LEITRIM | 795 |
| Maggie | McDermott, O'Hara | 1892 | IR, SL | LEITRIM | 454 |
| Maggie | O'Hara | IR, IA, MN ? | LIMERICK | 648 |
| Maggie | O'Hara | 1854, 1860+ | PA | 1 2 1 0, |
| Malinda, Louise | O'Hara | 1850 ? | 1 1 8 9, |
| Maraget, Margaret ? | O'Hara | 1850?, 1880 | PA, MO ? | 1 0 8 5, 1 0 8 6, |
| Marah | O'Hara | 1856 ? | IRELAND | 835 |
| Marcellus | O'Hara | ON, PA, NJ ? | 298, 305 |
| Marcus | O'Hara | KY | 495, 637 |
| Margaret | O'Hara | 1867 | CN, NY | 115 |
| Margaret | O'Hara | 1859 ?, 1860 | KY, OH | 657 |
| Margaret | O'Hara | 1916, 1924-10-07; 98-10-11 | NY | 708 |
| Margaret | McMahon, O'Hara | NY | CAVAN | 014, 015 |
| Margaret | O'Hara | 1852 | ON | 239 |
| Margaret | Innes, O'Hara | IR | ANTRIM | 039 |
| Margaret | O'Harrah | 1860-08-08 | OH | 046 |
| Margaret | O'Hara | ON | 228, 666 |
| Margaret | MacDuffy, O'Hara | 1600+ | IR | ANTRIM | 069 |
| Margaret | O'Hara | 1867 | NY | 114 |
| Margaret | L'Huillier, O'Hara | 1880, 1900 | MO, TX, CA | 106 |
| Margaret | O'Hara | NY | 161, 154 |
| Margaret | O'Hara | 1852, 1933 | ON | 238 |
| Margaret | McKiernan, O'Hara | 1826, 1896 | IR | MAYO, DERRY, DOWN ? | 263 |
| Margaret | O'Hara | IR ? | SLIGO | 334 |
| Margaret | O'Hara | ON, PA ? | 305 |
| Margaret | Elliott, O'Hara | SL | IRELAND | 464 |
| Margaret | O'Hara | SL | 464 |
| Margaret | O'Hara, Wilson | MO | 335 |
| Margaret | Foy, O'Hara | 1877, 1894, 1895 | IR, EN | MAYO ? | 343, 469, 570, 695, 697 |
| Margaret | O'Hara, Waldron | 1857 | PA | 355, 1 2 0 8, 1 2 0 9, 1 2 1 0 ?, |
| Margaret | O'Hara | OH, PA | 376 |
| Margaret | O'Hara | OH?, PA?, CA | 463 |
| Margaret | O'Hara | 1861-05 | IR | ANTRIM | 423 |
| Margaret | O'Hara | 1865, 1868 | IR, EN | CLARE | 432 |
| Margaret | O'Hara | EN | 432 |
| Margaret | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Margaret | O'Hara, O'Hare | 1841 | OH ? | 439 |
| Margaret | O'Hara | NY | 452 |
| Margaret | O'Hara | 1885 | PA | 530 |
| Margaret | O'Hara | ON | 562, 824 |
| Margaret | O'Hara | 1838-09-06 | IR | LIMERICK | 735 |
| Margaret | Scanlan, O'Hara | 1838 | IR | LIMERICK | 735 |
| Margaret | O'Hara | 1850? | NY | IRELAND | 581 |
| Margaret | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Margaret | Duddy, O'Dowd, O'Hara | 1850s, 1899 | PA, MA | DERRY | 701, 704, 717 |
| Margaret | Noonan, O'Hara | IR ? | DERRY | 701, 704 |
| Margaret | O'Hara | 1860s | MA | DERRY ? | 701, 704 |
| Margaret | Seix, O'Hara | 1897-05-09 | MA | 701, 704 |
| Margaret | O'Hara | MA | 701, 704 |
| Margaret | Shine, O'Hara | 1892 ?, 1916 ?, 1958 | NY | CORK | 708 |
| Margaret | Nagle, O'Hara | 1965 | PA | IRELAND | 765 |
| Margaret | O'Hara | PA | 765 |
| Margaret | O'Hara | 786 |
| Margaret | O'Hara | PA ? | 794 |
| Margaret | Brown, O'Hara | 1812 ? | MD, KY, IL | IRELAND | 797, 870 |
| Margaret | O'Hara, McGuire | MD, PA | 870 |
| Margaret | O'Hara | 1927?, 2002+ | PA | 813 |
| Margaret | O'Hara, Costello | 1872 | MD | IRELAND | 837 |
| Margaret | Tweddle, O'Hara | 1870 | EN | 866 |
| Margaret | O'Hara, Burns, Young | 1877-09-07; 1900-02-28; 1942-12-21 | ON | 558, 644, 884, 910, 923, 938, 1 0 0 1, 1 0 3 1, |
| Margaret | O'Hara | PA | 889 |
| Margaret | Caine, O'Hara | ON | 896, 898 |
| Margaret | O'Hara | 1891, 1909+ | IR, US | SLIGO | 948 |
| Margaret | O'Hara | OH | 984 |
| Margaret | O'Hara | 1868, 1884 | PA | 981 |
| Margaret | Hart, O'Hara | 1854 | PA | 981 |
| Margaret | O'Hara | 1883 | PA | 981 |
| Margaret | O'Hara | 1894 | PA ? | 891 |
| Margaret | O'Hara | 1894 | PA ? | 891 |
| Margaret | Sorley, O'Hara | IR ?, SL ? | IRELAND ? | 994 |
| Margaret | O'Hara | SL | 994 |
| Margaret | Carney, O'Hara | c. 1893 | PA | 983 |
| Margaret | O'Hara | c. 1903; c. 1961 | PA, EN | 983 |
| Margaret | O'Hara, Moran, Jones | c. 1841, 1880 | MA, CA | IRELAND | 998 |
| Margaret | Bradley, O'Hara | 1886, 1900 | PA | 1 0 1 7, 1 0 1 8, |
| Margaret | O'Hara | 1870, 1880+ | CT | 1 0 4 1, 1 0 4 2, |
| Margaret | O'Hara | 1857 | EN, AU | 1 0 5 7, |
| Margaret | O'Hara | 1825-07-26 | SL | CAVAN | 1 0 5 7, |
| Margaret | O'Hara | 1874?, 1880, | PA | 1 0 7 0, |
| Margaret | O'Hara | 1855, 1860+ | NY | 1 0 8 2, |
| Margaret | O'Hara | 1860?, | GA | 1 2 3 2, |
| Margaret | O'Hara | 1826, 1860+ | PA | 1 2 1 0, |
| Margaret (1) | O'Hara | ON | 123 |
| Margaret (2) | O'Hara | 1845-04-11 | ON ?, II | 123 |
| Margaret (3) | O'Hara | ON | 123 |
| Margaret ? | O'Hara | US | 122 |
| Margaret, Anne | Graham, O'Hara | ON | 607, 752 |
| Margaret, E. | McMahon, O'Hara | 1888-07-04 | MA | 701, 704 |
| Margaret, Edith | Kerr, O'Hara, O'Hare ? | 1860 | AU | 557 |
| Margaret, Maggie | Milford, O'Hara | 1866 | ON | 656 |
| Margaret, Mary | Kellett, O'Hara | IR ? | 819 |
| Margaret, Mary | O'Hara, Carroll | 1850, 1866 | NE, IL | KILKENNY ? | 937, 1 0 0 0, |
| Margaret, Peggy | O'Hara, Grogan | NY | 015, 014 |
| Margaret, Peggy | Hughes, O'Hara | 1872 | MD | MAYO | 837 |
| Margaret, Sr. | O'Hara | 1812 ? | MD | IRELAND | 870, 797, 869 |
| Margery | O'Hara, Daugherty | MD | 870 |
| Margery | O'Hara, Dougerty | 1 1 9 0, |
| Margreth | O'Hara | 1829, 1870, | IL | IRELAND | 1 1 0 4, |
| Maria | O'Hara | SLIGO | 143 |
| Maria | O'Hara | IR | SLIGO ? | 535, 653 |
| Maria | Sykes, O'Hara | EN | 334 |
| Maria | Kane, O'Hara | 1890-06-26 | PA | 339, 341 |
| Maria | McDonald, O'Hara | ON | 926 |
| Maria | Naughten, O'Hara | 1833 | IR | SLIGO | 1 1 5 3, |
| Maria, Mariah | O'Harra | 1832?, 1835?, 1880+ | NY | 1 0 3 6, 1 0 3 7, 1 0 3 8, |
| Maria, Sophia | Dobbs ?, O'Hara | 1876 | ON | 958 |
| Marian | Murray, O'Hara | 1822, 1826, 1869, 1871 | ON | ENGLAND | 516 |
| Marian | O'Hara | 1832 | ON ? | ENGLAND ? | 516 |
| Marian | Murray, O'Hara | ON ? | 958 |
| Marian, Agatha | O'Hara, Rice | 1853-06-09 | 453 |
| Marie | O'Hora, O'Hara ? | PA | 659 |
| Marie | O'Hara | 1855 | NY | 214 |
| Marie | Fiske, O'Hara ? | 326 |
| Marielle | Wilhelmie, O'Hara | 786 |
| Marilyn | O'Hara | 1 1 4 3, |
| Marion | O'Hara | NY | 804 |
| Marion | O'Hara, Murray | 1909, 1927 | ND | 278 |
| Marion | O'Hara | 1909-07-09; 1979-02-10 | ND | 457 |
| Marion | O'Hara, Birkett | 786 |
| Marion | O'Hara | 786 |
| Marion | O'Harra | 1860?, 1870+ | NY | 1 0 3 7, |
| Marion | O'Hara | 1 1 4 1, |
| Mark | O'Hara | ON, PA? | 305 |
| Mark ? | O'Hara | US | 122 |
| Martha | Burt, O'Hara | 1850 | NY | 107 |
| Martha | O'Hara | 1867 | CN, NY | 115 |
| Martha | Toole, O'Hara | 1901-05-10 | NY | 804 |
| Martha | Mc'Cann, McCann | 1868, 1886-10-29 | SL | 625 |
| Martha | O'Harrah | 1850 | PA | 241 |
| Martha | Finney, O'Hara | 1908 | EN | 529 |
| Martha | Miller, O'Hara | 1847 | IR | ANTRIM | 575 |
| Martha, Price | O'Hara | 1840s | MO, IL | 605 |
| Martha, Price | O'Hara | IL, PA ? | 178 |
| Martha? | O'Hara | 1867 | NY | 114 |
| Martin | O'Hara | 1850 ?, | ON ?, MI ?, NY | LEITRIM, MAYO ? | 1 1 0 1, |
| Martin | O'Hara | 1855 | NY, WI | 053, 510 |
| Martin | O'Hara, Ohara | 1894-10-23 | ME | 159 |
| Martin | O'Hara | 1875, 1894, 1907 | IR, EN | MAYO | 343, 469, 570, 695, 697 |
| Martin | O'Hara, O'Hare | 1808 | PA, OH ? | 439 |
| Martin | O'Hara | 1858 ? | WI | 502 |
| Martin | O'Hara | 1880-05-04 | NY, TX | DUBLIN | 561 |
| Martin | O'Hara | CA ? | MAYO ? | 671 |
| Martin | O'Hara | 1865 | EN | 777 |
| Martin | O'Hara | 1872 | MD | IRELAND | 837 |
| Martin | O'Hara | NY | 847 |
| Martin | O'Hara | 1887, 1950s | PA | MAYO | 885, 889, 943 |
| Martin | O'Hara | 1931 | NY ? | MAYO | 897 |
| Martin | O'Hara | 1860, 1886, 1900 | PA | 1 0 0 9, 1 0 1 7, 1 0 1 8, |
| Martin | O'Hara | 1821, 1850 | NY | IRELAND | 1 0 5 8, |
| Martin | O'Hara | 1849 | NY | 1 0 7 2, 1 0 8 3, 1 0 9 3, 1 1 0 0, 1 1 2 1, 1 1 2 2, |
| Martin (2) | O'Hara | PA | 889 |
| Martin, F. | O'Hara | 1866?, 1880, | PA | 1 0 7 0, |
| Mary | O'Hara | 1850 | NY | 107 |
| Mary | O'Hara | MA | 179 |
| Mary | O'Hara | US ? | 304 |
| Mary | Henderson, O'Hara | 1861-05; 1880-05 | IR | ANTRIM | 423 |
| Mary | O'Hara | 1910 | NS, NB | 493, 688 |
| Mary | O'Hara | 1861 ?, 1881 | SL | 538, 539 |
| Mary | O'Hara | 1877-09-07, 1881+ | ON | 558, 644, 910, 884, 923, 1 0 0 1, 1 0 3 1, |
| Mary | O'Hara | 1851 ?, 1871 | EN | 759, 811 |
| Mary | McElroy, O'Hara | 1845 | IA | CAVAN | 004 |
| Mary | O'Hara | 1845 | US | CAVAN | 004 |
| Mary | Anthony, O'Hara | IN | 001, 081 |
| Mary | Hara | 1891-02-23 | DERRY | 017 |
| Mary | Hara, Ferson | NJ | DERRY | 005 |
| Mary | O'Hara, Hayes | 1854, 1877 | NY | 016 |
| Mary | O'Hara | 1854 | NY | 016 |
| Mary | O'Hara, Nealon | 1845, 1868 | PA, VA, DC | MAYO | 024 |
| Mary | Howley, O'Hara | 1860 | PA | 033 |
| Mary | O'Hara | 1845 | PA | MAYO | 036 |
| Mary | Quinlan, O'Hara | c.1860, 1880, 1888, 1891, | NY | 042, 986, 1 0 6 2, |
| Mary | O'Hara, Blair | OH, WI, IA | 038 |
| Mary | Daly, O'Hara | 1898 | IA | 251, 252 |
| Mary | O'Hara, Knight | 1850, 1855, 1884 | NY, WI | 053, 510 |
| Mary | Barton, O'Hara | 1852, 1867 | AU | SCOTLAND | 057, 157 |
| Mary | Sullivan, O'Hara | 1868, 1884 | EN | 743, 744, 745, 760, 748 |
| Mary | O'Hara | 1875 | EN | 743, 744, 745, 760, 748, 817 |
| Mary | O'Hara | WI | 072 |
| Mary | O'Hara | NY | IRELAND | 114 |
| Mary | O'Hara, Shannon | 1850, 1870, 1880 | IR, PA, IL | MAYO | 098 |
| Mary | Marren, O'Hara | 1850, 1870, 1880 | IR, PA, IL | MAYO | 098 |
| Mary | Gilmartin, O'Hara | 1890 | PA | SLIGO, MAYO | 133 |
| Mary | O'Hara, Nealon | 1868, 1875 | PA | MAYO | 108 |
| Mary | Duffy, O'Hara | IR | MAYO | 108 |
| Mary | O'Hara | 1831 | CN, NY | IRELAND | 115 |
| Mary | McCrail, MCGreal, O'Hara | 1888 | MA | 118 |
| Mary | O'Hara, Higgins | 1855-10-18 | NY | IRELAND | 139 |
| Mary | O'Hara, Fox | 1850-08, 1868, 1878-12-26, 1918-09-13 | PA | MAYO | 146 |
| Mary | O'Hara, Carroll | 1933 | IR | ANTRIM | 706, 709, 947? |
| Mary | Kelley, O'Hara | NY | 161, 154 |
| Mary | O'Hara | 1835, 1865, 1870 | 156 |
| Mary | Melsom, O'Hara | 1831, 1848 | PA, IL | 178 |
| Mary | Edge, O'Hara | 1822, 1823, 1904 | ON | IRELAND | 228, 238, 504, 505, 666 |
| Mary | Finley, O'Hara | 1885 | NY | SLIGO | 261 |
| Mary | O'Hara, Anderson | MA ? | LEITRIM | 234, 109 |
| Mary | O'Harrah | 1840 | PA | 241 |
| Mary | O'Hara | 1848, 1864 | US ? | CORK | 242, 291 |
| Mary | Ryan, O'Hara | 1828-10-15 | IR | 250 |
| Mary | Kennedy, O'Hara | CN, NY ? | 250 |
| Mary | Cleary, O'Hara | NY | IRELAND ? | 247, 242 |
| Mary | O'Hara | 1810-11-03 | II | 274 |
| Mary | O'Hara | 1855 | ON, SK ? | 282, 287 |
| Mary | Laverty, O'Hara | 1854 | IR | ANTRIM | 290, 319 |
| Mary | Langan, O'Hara | 1832-06-07, 1848, 1851, 1922-08-17 | NY, MI | MAYO | 297 |
| Mary | O'Hara | ON, PA | 305 |
| Mary | Churchwood, O'Hara | 1824, 1851-09-21, 1857 | EN, NZ | ENGLAND | 323 |
| Mary | O'Hara, Yakubec | 1919 | US | 324 |
| Mary | O'Hara, McAnully | 357 |
| Mary | O'Hara, McDermott | 1891-04-22 | US | IRELAND | 342 |
| Mary | Boylan, O'Hara | IR | LEITRIM | 342, 383, 795 |
| Mary | Cockrin, O'Hara | 1812, 1837, 1840s, 1851 | ON | IRELAND | 766, 767, 769, 770 |
| Mary | O'Hara | 1880-12-22; 1919-03-02; 1973-10-13 | SL, NJ | SCOTLAND | 386, 451 |
| Mary | O'Hara | 1845+ | IR | ANTRIM | 394, 612 |
| Mary | O'Hara | 1871-09 | IR | ANTRIM | 423 |
| Mary | Quinn, O'Hora, O'Hara | 1850, 1880 | NY | IRELAND | 436 |
| Mary | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Mary | O'Hara, O'Hare | 1800 | PA, OH ? | 439 |
| Mary | Cowan, O'Hara, O'Hare | 1841, 1847 | OH ? | 439 |
| Mary | O'Hara | NY | 452 |
| Mary | O'Hara, Kelly | 1880, 1937 ? | PA | IRELAND | 487 |
| Mary | O'Hara | 1858 ? | WI | 502 |
| Mary | Corr, Cork ?, O'Hara | 1828 | 761 |
| Mary | O'Hara, Barrett | 1857-02-24 | WI, OH | KERRY | 565 |
| Mary | O'Hara | ON ? | ENGLAND ? | 516 |
| Mary | O'Hara | IR ? | MAYO | 517 |
| Mary | Deegan, Duggan, O'Hara | 1917 | PA | 527, 593, 594 |
| Mary | O'Hara, Dugan | 1869 | NJ | 593, 527, 594 |
| Mary | O'Hara | EN | 528, 764, 811 |
| Mary | O'Hara | 1871, 1881 | EN | 764 |
| Mary | Maloney, O'Hara | NY | 582 |
| Mary | McGrail, McGreal, O'Hara | 1888 | MA | 588, 827, 1 1 9 6, 1 2 0 0, |
| Mary | O'Hara, McCaffrey | IRELAND | 597 |
| Mary | O'Hara | EN | 602 |
| Mary | Melsom, O'Hara | 1831, 1850 | PA, MO, IL | 605 |
| Mary | O'Hara, Anderson | 1902 | NY | LEITRIM | 629 |
| Mary | Quinn, O'Hara | 1850 ? | NY | MAYO | 650 |
| Mary | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Mary | O'Hara | 1855 ?, 1860 | OH | 657 |
| Mary | Morgan, O'Hara | 1823-11-23 | IR | DOWN | 690 |
| Mary | O'Hara | MA | 701, 704 |
| Mary | O'Hara | 1828 | EN ? | 707 |
| Mary | O'Hara | PA | 728, 724 |
| Mary | Wilson, O'Hara | EN | 760, 780, 745 |
| Mary | Monahan, O'Hara | IR | MAYO ? | 778 |
| Mary | O'Hara, DeLaHunte, Dillahunty | 1698, c. 1715 | IR, MD | IRELAND | 749 |
| Mary | Frawley, O'Hara | 1900 | NY | 751 |
| Mary | O'Hara | NY | 815 |
| Mary | O'Hara | OK ? | 815 |
| Mary | O'Hara | PA | 762 |
| Mary | O'Hara | PA | 765 |
| Mary | Pelch, O'Hara | ON | 770 |
| Mary | O'Hara | 1867, 1906 | NY | 783 |
| Mary | Schrenders, O'Hara | 786 |
| Mary | Brennen, O'Hara | PA ? | 794 |
| Mary | O'Hara, Doyle | PA | 799 |
| Mary | O'Hara, Connaughton | 1844, 1851, 1920-03-20 | NY | LEITRIM | 804 |
| Mary | Fitzsimmons, O'Hara | PA | 830 |
| Mary | Gilligan, O'Hara | 1819, 1841 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Mary | O'Hara, Gardener | 1841 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Mary | O'Hara, Moran | 1872 | MD | MAYO | 837 |
| Mary | O'Hara | MD | 837 |
| Mary | O'Hara, McWilliams | NY | ANTRIM | 894 |
| Mary | O'Hara, Quigley | 1816 | SL, AU | SCOTLAND | 868 |
| Mary | O'Hara | 1930 | OK, PA, IL | 867 |
| Mary | Conley?, Crofton?, O'Hara, O'Harrow | 1825; 1842-04-19 | OH, IN ? | 881, 950, 956 |
| Mary | O'Hara | PA | 889 |
| Mary | O'Hara | 1837 | IR | ANTRIM, DERRY | 895 |
| Mary | O'Hara | 1931 | IR | MAYO | 897 |
| Mary | O'Hara, Collins | 1931 | NY ? | MAYO | 897 |
| Mary | White, O'Hara | NB, NS | 929 |
| Mary | O'Hara | 1864-09-27 | SL | 942 |
| Mary | Coll, O'Hara | 1900-12-31 | SL | 942 |
| Mary | Hegarty, O'Hara | 1889, 1891 | IR | SLIGO | 948 |
| Mary | O'Hara | 1884 | NY | 961 |
| Mary | O'Melia, O'Hara | 1848 | CN | IRELAND | 968 |
| Mary | O'Hara | 1862 | PA | 981 |
| Mary | O'Hara | 1891 | PA ? | 981 |
| Mary | O'Hara | 1904-04-30 | MA | 993 |
| Mary | O'Hara | IR | LEITRIM | 1 0 0 2, 1 0 0 3, 1 0 0 5, |
| Mary | Nolan, O'Hara | 1897, 1899 | 1 0 1 5, 636 |
| Mary | O'Hara | 1815?,1819?, 1823?, 1880+ | CT | IRELAND | 1 0 3 9, 1 0 4 0, 1 0 4 1, 1 0 4 2, |
| Mary | O'Hara | 1841, 1842?, 1849 ?, 1870+ | CT | IRELAND | 1 0 3 9, 1 0 4 0, 1 0 4 1, |
| Mary | Foy, O'Hara | 1850-07-29; 1874+ | EN, AU | 1 0 5 7, |
| Mary | O'Hara | 1880 | PA | 1 0 7 0, |
| Mary | O'Hara | 1833, 1860 | NY | IRELAND | 1 0 8 2, |
| Mary | O'Hara | 1822, 1860+ | NY | IRELAND | 1 0 8 2, |
| Mary | O'Hara | 1829, 1860+ | NY | IRELAND | 1 0 8 2, |
| Mary | O'Hara | 1760s ? | IR | DERRY ? | 1 1 1 4, |
| Mary | O'Hara | 1854, 1870 | IL | IRELAND | 1 1 0 5, |
| Mary | O'Harra | 1838, 1870, | IL | IRELAND | 1 1 0 4, |
| Mary | O'Hara | 1860 ?, | GA | 1 2 3 2, |
| Mary | O'Harrah, O'Hara | c. 1790, 1850 | ON ?,MI?, NY | LEITRIM, MAYO ? | 1 1 0 1, 1 1 2 2, 1 1 2 4, 1 1 2 6, |
| Mary | O'Hara | 1828-07-10 | ON | 1 1 3 9, |
| Mary | Healy, O'Hara | 1828, 1831+ | ON | 1 1 3 9, 1 1 5 6, |
| Mary | O'Hara | 2004+ | IR | TYRONE | 1 1 8 8, |
| Mary | Quigley, O'Hara | 1877-03-02 | MA | IRELAND ? | 1 1 9 9, |
| Mary (2) | O'Hara | 1875, 1880 | PA | 1 0 7 0, |
| Mary (5) | O'Hara | 1911, 1945 | MN | 981 |
| Mary ? | O'Hara | US | 122 |
| Mary Anne | Duffy, O'Hara | 1830, 1880 | AS | IRELAND | 420 |
| Mary Maria ? | Gaven ?,O'Hara, O'Harah | c. 1821, 1842, 1880, 1894-06-27 | NY | IRELAND, GALWAY ? | 374, 986, 1 0 6 1, 1 0 6 3, |
| Mary, Ann | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| Mary, A. | Bussey, O'Hara | 1872; 1939-10-17 | NY | 804 |
| Mary, A. ? | O'Hara | 1810?, 1814, 1819, 1870 | NY | IRELAND | 1 0 5 8, 1 0 5 9, 1 0 6 0, |
| Mary, Adeline | Smith, O'Harrow | 1867-04-14 | OH | 047, 551 |
| Mary, Alice | O'Hara, Dinning | 1861, 1871, 1881 | EN | 777 |
| Mary, Alice | Calley, Lotus, O'Hara | PA, NY ? | IRELAND | 835 |
| Mary, Alma | O'Hara | NY | 894 |
| Mary, Ann | McCaffrey, O'Hara | QB | 665, 666 |
| Mary, Ann | O'Hara ?, Near | 1842 | US, ON | 641 |
| Mary, Ann | O'Hara | 1860-01-26 | SL | 180 |
| Mary, Ann | McClintic, O'Hara | 1952, 1956 | CA, OR | 317 |
| Mary, Ann | O'Hara ?, Near | 1842 ?, 1870, 1885 | PA, MO, ON | 337 |
| Mary, Ann | Graham, O'Hara | 1858, 1880 | ON ? | 766, 767, 769, 770 |
| Mary, Ann | O'Hara | IR, EN | CLARE | 432 |
| Mary, Ann | O'Hara, Tracy | 1848-06-04 ?; 1850-05 ?; 1873-07-27; 1906-04-16 | IR, MN, IA ? | LIMERICK | 574, 577, 648, 669, 735 |
| Mary, Ann | O'Hara | IR, SL | ANTRIM | 592 |
| Mary, Ann | O'Hara | EN | 602 |
| Mary, Ann | Murray, O'Hara | 786 |
| Mary, Ann | O'Hara | c. 1851 | NY | 932 |
| Mary, Ann | Boyle, O'Hara ? | 1830 | AU ? | LEITRIM | 974, 977 |
| Mary, Ann | O'Hara | 1849 | PA | 981 |
| Mary, Ann | O'Hara | 1855 | EN, AU | 1 0 5 7, |
| Mary, Ann | O'Hara | 1854, 1870, | NY, IL | 1 1 0 4, |
| Mary, Ann Roach | Roach, O'Hara | 1905 | ON | 926 |
| Mary, Ann, Eliz., Marianne | O'Hara | 1880+ | NS | 1 1 9 5, |
| Mary, Ann, Marianne ? | O'Hara, Greene | NS | 198, 199, 925 |
| Mary, Anthony | O'Hara | 1790, 1850 | IN | 664 |
| Mary, C. | O'Hara, McCormack | 1893-01-03, 1923 | MA | 090 |
| Mary, Calista, Cliss | O'Hara | 1885 | ON | 770 |
| Mary, Cathrine | O'Harrah, Ingles | 1860-08-08 | OH | 046, 054 |
| Mary, E. | Healey, O'Hara | 1857, 1926-01-05 | NY | 804 |
| Mary, Eileen | O'Hara, Fortunato | 1958-12-12; 84-11-17 | PA, DC | 659 |
| Mary, Elenor | Dickie, O'Hara | NS ? | 371 |
| Mary, Elizabeth | O'Hara, Cashman | 1879; 1974-03-25 | NY | 804 |
| Mary, Elizabeth | Ramsey, O'Hara | TX ? | 168 |
| Mary, Elizabeth | O'Hara | 1873 | GA | 904, 907 |
| Mary, Elizabeth | Ledger, O'Hara | 786 |
| Mary, Elizabeth | O'Hara, Schulstad | 1895-03-20; 1923-12-31; 1979-11-03 | MN | 981 |
| Mary, Elizabeth, Molly | O'Hara | 1881; 1937-11-13 | NY | 804 |
| Mary, Ellen | Shannon, O'Hara | 1869-08, 1870-08, 1948 | NY | 014, 015 |
| Mary, Ellen | O'Connell, O'Hara | 1882-05-29 | MA | 701, 704 |
| Mary, Ellen | Dolan, O'Hara | EN | 759 |
| Mary, Ellen | O'Hara, Davis | 1871 | ON | 770 |
| Mary, J. | O'Harra | 1864?, 1880+ | NY | 1 0 3 6, |
| Mary, Jane | O'Hara | 1854 | AU | 057 |
| Mary, Jane | O'Hara, Regan | 1844 | MD | 352 |
| Mary, Jane | Hamilton, Penn, O'Hara | 1840, 1843 | MD ? | 227, 552, 797, 870, 1 1 8 9 (?), 1 1 9 0, |
| Mary, Jane | Laverty, O'Hara | 1845 | IR ? | ANTRIM | 394, 612 |
| Mary, Jane | Hawkes, O'Hara | 1870, 1921 | NB | 473, 970 |
| Mary, Jane | Lear, O'Hara | 997, 999 |
| Mary, Jane | O'Hara | 1850 ?, | 1 1 8 9, |
| Mary, Kelly ? | O'Hara, Kelly ? | 1869-11-04 | SL | 180 |
| Mary, Louise | O'Harrah | OH | 046 |
| Mary, Louise | O'Hara | IL, PA ? | 178 |
| Mary, Louise | O'Hara | 1889 | ON | 238 |
| Mary, Louise | O'Hara | 1840s | MO, IL | 605 |
| Mary, Margaret | O'Hara, Kelly | 1855-01, 1860, 1861, 1880 | PA | MAYO | 508, 509, 549, 584, 631, 792 |
| Mary, Margaret | Jeffries, O'Hara | 1901-04-16 | AZ | 122 |
| Mary, Margaret | May, O'Hara | 1900 | MO | 821 |
| Mary, Margert | O'Hara, Leschander | NY | 800, 801, 802, 803 |
| Mary, Marie | O'Hara, Anderson | 1910, 1915 | NY | LEITRIM | 280, 301 |
| Mary, Maynie ? | Andrews, O'Hara | 1883, 1930 | OH | 984, 1 0 6 4, |
| Mary, Mimi | Nantais, O'Hara | 1880 | ON | 097 |
| Mary, Moyra | O'Hara | IR | CORK ? | 829 |
| Mary, Rosalie | Deschenes, O'Hara | 1875, 1901 | ON, WI | 766, 767, 769, 770 |
| Mary, S. | O'Hara, Doyle | 1819, 1839, 1908-12-12 | MI | IRLAND | 078 |
| Mary, Theresa, Mamie | Cosgrove, O'Hara | 1869-11, 1890-01-06, 1894, 1920, 1930+ | LA | 320, 1 0 0 7, 1 0 2 3, 1 0 2 4, 1 0 2 5, 1 0 2 6, 1 0 2 9, |
| Mary, Virginia. | O'Hara | 1914, 1930 | OH | 984, 1 0 6 4, |
| Mathew | O'Hara | 1897?, 1915-12-06 | SL | SCOTLAND | 386, 451 |
| Maud | O'Hara | MA | 188 |
| Maud | O'Hara | 1875?, 1880 | MO | 1 0 8 5, 1 0 8 6, |
| Maureen | O'Hara, Kleehammer | 1949-08-13; 2003+ | NY | 804 |
| Maureen | O'Hara | NY ? | 369 |
| Maureen | O'Hara | 2001 | AS | SLIGO, MAYO ? | 421 |
| Maureen | O'Hara | c. 1950 | EN | 658 |
| Maureen | O'Hara | IR ? | TYRONE | 1 1 8 8, |
| Maurice, J. | O'Hara | 1891; 1946-01-14 | NY, AZ | 804 |
| May | O'Hara | SL | 532 |
| May, Ann | O'Hara, McEntee | 1842, 1872 | NJ, NZ | ANTRIM | 067 |
| May, Edith | O'Hara | WI ? | 598, 600 |
| Melinda | O'Hara, O'Hare | 1843 | OH ? | 439 |
| Michael | O'Hara | ME ? | 500 |
| Michael | O'Hara | 1855 | SLIGO | 143 |
| Michael | O'Hara | 1880 ? | IR | LIMERICK | 583 |
| Michael | O'Hara | 1860, 1880 | PA | 021 |
| Michael | O'Hara, | c. 1858, 1859?, 1880, 1888, 1893, | NY | 374, 986, 1 0 6 1, 1 0 6 2, |
| Michael | O'Hara | c. 1750 | IR | SLIGO | 130, 135, 136, 174 |
| Michael | O'Hara | 1876 | EN | 743, 744, 745, 748, 760, 780, 816, 817 |
| Michael | O'Hara | 1845, 1850 | IN | 083 |
| Michael | O'Hara | 1849, 1872, 1875, 1899 | EN, MA, IL | SLIGO? | 089 |
| Michael | O'Hara | 1906 | IL | 089 |
| Michael | O'Hara | IR | LEITRIM | 109 |
| Michael | O'Hara | 1888 | MA | 118, 827 |
| Michael | O'Hara | 1865, 1868, 1900, 1967? | NZ | SLIGO | 535, 653 |
| Michael | O'Hara | IR | MAYO | 146 |
| Michael | O'Hara | 1792, 1865, 1870 | IRELAND | 156, 174 ? |
| Michael | O'Hara, O'Hora | 1855, 1878 | PA | 184, 277, 284 |
| Michael | O'Hara | 1839, 1893 | PA | SLIGO | 277, 404, 406, 407 |
| Michael | O'Hara | 1849-09, 1875 | MA, IL | SLIGO, ENGLAND | 208, 405, 655 |
| Michael | O'Hara | 1839 | PA | SLIGO | 403 |
| Michael | O'Hara | 1848 | IR | DUBLIN | 243 |
| Michael | O'Hara | IR | LEITRIM, SLIGO | 301 |
| Michael | O'Hara | 1844 | ON | IRELAND | 766, 767, 769, 770 |
| Michael | O'Hara | 1863-03, 1908-03-13 | IR | ANTRIM | 423 |
| Michael | O'Hara | 1846, 1865, 1868 | IR, EN | CLARE | 432 |
| Michael | O'Hara | 1841 ?, 1881 | EN | IRELAND | 764 |
| Michael | O'Hara | 1877, 1881 | EN | 764 |
| Michael | O'Hara | 1821 ?, 1871 | EN | SLIGO | 811 |
| Michael | O'Hara | 1872 ?, 1881 | SL | 538, 539 |
| Michael | O'Hara | 1850? | IR | IRELAND | 581 |
| Michael | O'Hara | 1905 | IR | LIMERICK | 583 |
| Michael | O'Hara | 1886, 1888 ? | NS, MA | IRELAND ? | 588, 827, 1 1 9 6, 1 2 0 0, |
| Michael | O'Hara | CA ? | 604 |
| Michael | O'Hara ? | c. 1950 ? | EN | 658 |
| MIchael | O'Hora, O'Hara ? | PA ? | 659 |
| Michael | O'Hara | IR | MAYO | 778 |
| Michael | O'Hara | 1853 | NY, OK | MAYO, ENGLAND ? | 815 |
| Michael | O'Hara | 1877 | EN | 759, 811 ? |
| Michael | O'Hara | 1889-05-20; 1967 | PA | IRELAND | 765 |
| Michael | O'Hara | 1819, 1841, 1847 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Michael | O'Hara | 1855 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Michael | O'Hara | 1931 | NY ? | MAYO | 897 |
| Michael | O'Hara | c. 1821 | NY | 932 |
| Michael | O'Hara | 1889, 1891 | IR | SLIGO | 948 |
| Michael | O'Hara | 1889, 1915 | IR, US | SLIGO | 948 |
| Michael | O'Hara | 2003 | VA ? | 954 |
| Michael | O'Hara | 1858, 1878, 1899 | NY | IRELAND | 961 |
| Michael | O'Hara | 1854 | PA | 981 |
| Michael | O'Hara | 1862 | PA | 1 0 0 9, |
| Michael | O'Hara | 1855, 1870+ | CT | 1 0 4 0, 1 0 4 1, |
| Michael | O'Hara | 1852 | EN, AU | 1 0 5 7, |
| Michael | OHara | 1854?, 1857, 1870 | NY | 1 0 5 9, 1 0 6 0, |
| Michael | O'Hara | 1851, 1870, | IL | IRELAND | 1 1 0 5, |
| Michael | O'Hara | 1869, 1870 | IL | 1 1 0 5, |
| Michael | O'Hara | 1860 ?, | GA | 1 2 3 2, |
| Michael (2) | O'Hara | c. 1824, 1850 | PA | SLIGO | 981 |
| Michael, A. | O'Hara | 1898-08; 1963-01 | PA | 799 |
| Michael, Aloysius | O'Hara | 1860, 1882-05-29, 1929 | MA, NY | DERRY | 701, 704 |
| Michael, C. | O'Hara | 1953-10-08; 1979-09-08; 1995-06-05; 2003+ | NY | 804 |
| Michael, Edward | O'Hara | 1957 | PA | 659 |
| Michael, J. | O'Hara | 1828, 1848, 1857 | NY | ARMAGH | 214, 259 |
| Michael, J. | O'Hara | 1822, 1834, 1862, 1913 | PA, NY | IRELAND | 835 |
| Michael, James | O'Hara | 1825, 1835 | PA | SLIGO | 033 |
| Michael, James | O'Hara | 1870, 1955 | PA, NY | 835 |
| Michael, James or Henry | O'Hara | 1844, 1862, 1872 | AU | CAVAN | 360 |
| Michael, John | O'Hara | 1886 | OH | 243 |
| Michael, Michail | O'Hara | 1815?, 1819?, 1821?, 1880+ | CT | IRELAND | 1 0 3 9, 1 0 4 0, 1 0 4 1, 1 0 4 2, |
| Michael, Michal, John | O'Hara | 1868, 1880, | PA | 1 0 7 0, |
| Michael, Michalo | O'Harrow, O'Hair | 1749-09-11; 1793-04-04; 1813 | KY | 147, 458 |
| Michael, Mikal | O'Hara | 1837?, 1880, | PA | GALWAY, ROSCOMMON ? | 1 0 7 0, |
| Michael, Mike | O'Hara | 1882 | GA | IRELAND | 244, 245, 246 |
| Michael, William | O'Hara | 1984-08-31; 2003+ | NY | 804 |
| Michael, William | O'Hara | 1909 ?, 1916 ? | NY | MAYO | 708 |
| Michale | O'Hara | 033 |
| Michelle | O'Hara | NB | 493 |
| Mick | O'Hara | 1856 | ON, SK ? | 282, 287 |
| Mickey | O'Hara | IL | 768 |
| Mihal, Mike | Josefczyk, Josefczyk, O'Hara | 1894-09-21; 1896-09-24; 1909-11-15; 1917, 1919-06-04; 1962-04 | IL, TX | CONTINENT, AUSTRIA, POLAND ? | 425, 879 |
| Mike | O'Hara | 1853 | NY | 214 |
| Mikel, J. | O'Hara | 1859, 1870, | IL | IRELAND | 1 1 0 4, |
| Mildred | O'Hara | MA | 701, 704 |
| Minnie | Kester, O'Hara | 1879-10-10; 1897-09-15; 1915 | NE | 496 |
| Minnie | Fairchilds, O'Hara | 1885, 1886 | PA | ENGLAND | 741 |
| Minnie | Leyde, O'Hara | 1927 | NY ? | 754 |
| Minnie | O'Hara | 1873?, 1880+ | CT | 1 0 4 2, |
| Minnie | O'Hara | c. 1890 | MAYO | 1 1 8 7, 1 2 3 8, 1 2 3 9, 12 4 0 |
| Minnie, E. | O'Hara | 1863-11-03; 1901+ | ON | 1 1 4 9, |
| Mollie, Ann | O'Hara, Dyer | c. 1760 | IR | SLIGO | 130, 135, 136, 174 |
| Mollie, Mary, Eleanor | O'Hara, Comeford | IA, OH ? | 288 |
| Molly | McGovern, O'Hara | 2004+ | IR | TYRONE | 1 1 8 8 |
| Molly, Foxy | McGovern, O'Hara | 1912, 2004 | IR, NY | CAVAN | 369, 990 |
| Monica | Winkle, O'Hara | VT | 679 |
| Mrs. | O'Hara, Gaynor | 1810, 1840, 1905 | LA | CAVAN | 166, 167 |
| Murray | O'Hara | NB | 493, 929 |
| Murray | O'Hara | 1876 | ON | 958 |
| Myrle | Romney, O'Hara | 786 |
| Myrtle | O'Hara | IN | 303 |
| Nan | O'Hara, O'Neill | 1900, 1910 ? | NY | 409, 413 |
| Nancy | Haines, O'Hara, O'Harra | 1840, 1870 | WI, IA | 041, 283 |
| Nancy | O'Hara, Keith | IN | 083 |
| Nancy | O'Hara, McCarrick | 1825 | IR | SLIGO | 700 |
| Nancy | Jackson, O'Hara | 1871 | KY | 361 |
| Nancy | O'Hara, McCarrick | 1790, 1824, 1870 | IR, US ? | SLIGO | 378 |
| Nancy | Catalano, O'Hara | PA ? | 659 |
| Nancy Luticia | Crockett, O'Hara | 1875-03-13 | IN | 303, 944 |
| Nancy, Anne | O'Hara, McCarrick | 1790, 1825 | IR | SLIGO, MAYO | 518 |
| Nancy, J. | Haines, O'Hara, O'Harra | 1840, 1890 | OH, WI, IA | 039 |
| Nancy, J. | O'Hara, O'Harra | 1849, 1870 | WI, IA, OH | 094 |
| Nanette, J. | Clark, O'Hara | IA | 881 |
| Nannette | Clark, O'Hara | 1890 | 956 |
| Nell, Ellen | O'Hara, Marr | 786 |
| Nellie | Townsend, O'Hara | NY | 804 |
| Nellie | O'Hara | 1856 | NY | 016 |
| Nellie | O'Hara | IN | 303 |
| Nellie | O'Hara | 1899 | NY | 961 |
| Nellie, Ellen ? | O'Hara | NY | 783 |
| Nellie, L. | 1919-8-12 | NY | 374 |
| Nellie, M. | O'Harra | 1866?, 1880+ | NY | 1 0 3 6, |
| Nellie, M. | O'Hara | c. 1908, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Neola | O'Hara | 1906 | NE | 299 |
| Neola | O'Hara | 1906 | NE | 349 |
| Netina | Etzler, Pape, O'hara | MI | 370 |
| Nora | Dotsonin, O'Hara | AL | 414 |
| Nora | O'Hara, O'Hare | 1799, 1808 | PA, OH ? | SCOTLAND | 439 |
| Nora | O'Hara | IR, US | SLIGO | 948 |
| Nora | Durkin, O'Hara | 1795, 1837 | IR, PA | SLIGO | 981 |
| Nora | O'Hara | 1824 | PA | SLIGO | 981 |
| Nora | Casey, O'Hara | 1892 | MN | 981 |
| Nora (2) | O'Hara, Jordan | 1825 | PA | SLIGO | 981 |
| Nora, Kathryn | O'Hara, Hudson | TX | 561 |
| Norah | Hogan, O'Hara | 1880 ? | IR | LIMERICK | 583 |
| Norma | O'Hara | 1920s | AU | 960 |
| Norman | O'Hara | ON | 684 |
| Olga | O'Hara, Peynado | 786 |
| Oliver | O'Hara | ENGLAND | 033 |
| Orlena | Parks, O'Hara | 1855-12-20; 1857-03-11 | IA | 079, 979 |
| Orlena | Park, O'Hara | 1850s | IA ? | 1 1 7 9, |
| Orvis | O'Hara | NY | 026 |
| Owen | O'Hara | NY | CAVAN | 014, 015 |
| Owen | O'Hara | 1828-11-02, 1851 | IR, SL | ANTRIM | 309 |
| Owen | O'Hara | 1865-03-05 | IR | LEITRIM | 342, 383, 795 |
| Owen | O'Hara | AL | SCOTLAND | 414 |
| Owen | O'Hara, O'Hare | 1847 | OH ? | 439 |
| Owen | O'Hara | IR, SL | LEITRIM | 454 |
| Owen | O'Hara | 1828-11-02 | IR, SL | ANTRIM | 592 |
| Owen | O'Hara | 1888, 1899-12-21 | MA | ENGLAND ? | 887 |
| Owen (Sr.) | O'Hara | c.1888 | MA | ENGLAND ? | 887 |
| Paddy | O'Hara | IR | SLIGO | 378 |
| Paddy | O'Hara | IR | SLIGO, MAYO | 518 |
| Pansy | O'Hara | NH ? | 189 |
| Parvis | O'Hara ? | 1811, 1840, 1842 | IR, PA ? | IRELAND | 337 |
| Parvis ? | O'Hara ? | 1811 | US | IRELAND | 641 |
| Pat | O'Hara | ON, PA, NJ ? | 298, 305 |
| Pat | O'Hara | SL | 532 |
| Pat | O'Hara, O'Harra | 1834, 1850+ | MA | 1 1 1 0, |
| Pat | O'Hara | 1829, 1870, | IL | IRELAND | 1 0 8 9, |
| Pat | O'Hara | 1868, 1870, | IL | 1 0 8 9, |
| Pat | O'Hara | 1829, 1870, | IL | IRELAND | 1 1 0 4, |
| Pat | O'Hara | 1868, 1870 | IL | 1 1 0 4, |
| Pat Jr | O'Hara | 1940 ? | TX | 670 |
| Patk | O'Hara | 1838, 1880 | MA | IRELAND | 1 1 1 3, |
| Patk (2) | O'Hara | 1863, 1880 | MA | 1 1 1 3, |
| Patk (3) | O'Hara | 1880 | MA | 1 1 1 3, |
| Patric | O'Hara | c. 1950 ? | EN | 658 |
| Patrica | O'Hara | MB | 279, 818 |
| Patrica | O'Hara | CN | 506 |
| Patricia | Richter, O'Hara | 1949-04-15; 1971-06-19; 2003+ | NY | 804 |
| Patricia | O'Hara | IR ? | MAYO | 146 |
| Patricia | O'Hara | 1925, 1934 ? | NY | 708 |
| Patricia | O'Hara | PA | 889 |
| Patrick | O'Hara | 1868 ?, 1881 | SL | 538, 539 |
| Patrick | O'Hara | 1855 | PA | 1 0 0 9, |
| Patrick | O'Hara | 1845 | US | CAVAN | 004 |
| Patrick | O'Hara | 1801 | CAVAN | 004 |
| Patrick | O'Hara | 1854, 1862 | NY | 016 |
| Patrick | O'Hara | ON | 192 |
| Patrick | O'Hara | 1774 | 023 |
| Patrick | O'Hara | MAYO | 024 |
| Patrick | O'Hara | PA | 036 |
| Patrick | O'Hara | 1823 | IR | ANTRIM | 271 |
| Patrick | O'Hara | 1870, 1880 | MAYO | 485 |
| Patrick | O'Hara | 1834, 1868, 1884 | EN | MAYO | 743, 744, 745, 748, 760, 780 |
| Patrick | O'Hara | 1886, 1966 | CA | 747 |
| Patrick | O'Hara | 1730 | PA | IRELAND | 069 |
| Patrick | O'Hara | 719 |
| Patrick | O'Hara | IR | MAYO | 483 |
| Patrick | O'Hara | MA, IL | 089 |
| Patrick | O'Hara | 1884 | IR | ANTRIM | 093 |
| Patrick | O'Hara | IR | LIMERICK | 236 |
| Patrick | O'Hara | OH | IRELAND | 126, 262 |
| Patrick | O'Hara | c.1823, 1872, 1901 | IR, QB | MAYO | 142, 1 0 2 1, 1 0 8 1, |
| Patrick | O'Hara | IR | SLIGO ? | 535, 653 |
| Patrick | O'Hara | 1838 | IR | SLIGO | 654 |
| Patrick | O'Hara | 1890, 1920 | PA | 277 |
| Patrick | O'Hara | 1868 | NY | TYRONE | 203, 207 |
| Patrick | O'Hara | MA ?, IL | 208 |
| Patrick | O'Hara | 1860 | VA | SLIGO | 652 |
| Patrick | O'Hara | IR | LEITRIM | 234, 109 |
| Patrick | O'Hara | 1848, 1864 | US ? | CORK | 242, 291 |
| Patrick | Hares, O'Hara | 1828 | IR | 250 |
| Patrick | O'Hara | 1828-10-15 | CN, NY | IRELAND | 250 |
| Patrick | O'Hara | NY | IRELAND | 247, 242 |
| Patrick | O'Hara | IR ? | SLIGO | 334 |
| Patrick | O'Hara | 1868 | ON, SK ? | 282, 287 |
| Patrick | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| Patrick | O'Hara | 357 |
| Patrick | O'Hara | 1905 | MA | LEITRIM | 795 |
| Patrick | O'Hara | NY ? | 369 |
| Patrick | O'Hara | 1840-03-17; 1882; 1937 ? | OR, WA | IRELAND | 375, 1 0 1 4, |
| Patrick | O'Hara | 1900, 1910 ? | NY | 409, 413 |
| Patrick | O'Hara | 1861-05; 1880-05 | IR | ANTRIM | 423 |
| Patrick | O'Hara | 1880-05 | IR | ANTRIM | 423 |
| Patrick | O'Hara, O'Hare | 1770, 1847 | PA, OH | IRELAND | 439 |
| Patrick | O'Hara | 1862-08; 1909 | OH | SLIGO | 480 |
| Patrick | O'Hara | 1879 ?, 1881 | EN | 764 |
| Patrick | O'Hara | 1850? | NY | IRELAND | 581 |
| Patrick | O'Hara | 1897-03-04; 1899-03-04 | AR, IL, TX | 636, 1 0 1 5, |
| Patrick | O'Hara | 1900, 1920 | TX | 670 |
| Patrick | O'Hara | 1811 | NB | 692 |
| Patrick | O'Hara | IR | MAYO | 708 |
| Patrick | O'Hara | PA | 728, 724 |
| Patrick | O'Hara | IR | MAYO | 778 |
| Patrick | O'Hara | MAYO | 815 |
| Patrick | O'Hara | OK ? | 815 |
| Patrick | O'Hara | PA | 765 |
| Patrick | O'Hara | 1767?, 1769-03-17; 1794-07-04; 1850-05-17 | VT, NY | DERRY | 784, 882, 883, 899, 901, 921, 992, 1 1 1 4, |
| Patrick | O'Hara | 786 |
| Patrick | O'Hara | 786 |
| Patrick | O'Hara | 1847, 1851, 1875, 1909-08-14 | NY | LEITRIM | 804 |
| Patrick | O'Hara | SL | 806 |
| Patrick | O'Hara | 1842, 1843 | ON | IRELAND | 873 |
| Patrick | O'Hara | 1888 | MA | 887 |
| Patrick | O'Hara | 1898-3;1899-3 (?), 1930 | IL | 959, 963, 1 0 4 8, 1 0 4 9, |
| Patrick | O'Hara | c. 1815 | PA | MAYO | 1 0 0 9, |
| Patrick | O'Hara | 1820s, 1847, 1860 | GA | SLIGO | 1 0 1 0, 1 2 3 2, |
| Patrick | O'Hara | 1897, 1899 | 1 0 1 5, 636 |
| Patrick | O'Hara | 1899, 1930+ | IL, NY | 1 0 5 1, |
| Patrick | O'Hara | c.1750 ?? | IR | LEITRIM | 1 0 7 9, 130 ? |
| Patrick | O'Hara | 1860, 1870 | IL | CAVAN | 1 0 8 8, 1 1 1 0, 1 1 6 1, |
| Patrick | O'Hara | 1817, 1850 | MA | IRELAND | 1 1 1 0, 1 1 6 1, |
| Patrick | O'Hara | 1855, 1880 | MA | IRELAND | 1 1 1 3, |
| Patrick | O'Hara | 1848, 1880 | MA | IRELAND | 1 1 1 3, |
| Patrick | O'Hara | 1840, 1870 | MA | IRELAND | 1 1 1 2, |
| Patrick | O'Hara, O'Haira | 1833, 1870 | MA | IRELAND | 1 1 1 2, |
| Patrick | O'Hara | 1799, 1860 | MA | IRELAND | 1 1 1 1, |
| Patrick | O'Hara | c.1887, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | c.1903, 1930 | IL | IRELAND | 1 1 0 9, |
| Patrick | O'Hara | c. 1909, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | c. 1906, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | c.1906, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | c. 1907, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | c.1865, 1930 | IL | IRELAND | 1 1 0 9, |
| Patrick | O'Hara | c. 1904, 1930 | IL | SCOTLAND | 1 1 0 9, |
| Patrick | O'Hara | 1929, 1930 | IL | 1 1 0 9, |
| Patrick | O'Harrio, O'Hara | 1928, 1930 | IL | 1 1 0 9, |
| Patrick | O'Hara | 1846, 1920 | IL | IRELAND | 1 1 0 8, |
| Patrick | O'Hara | 1856,1920 | IL | IRELAND | 1 1 0 8, |
| Patrick | O'Hara | 1859, 1870, 1880, 1910, 1920 | IL | IRELAND | 1 0 8 9 ?, 1 0 9 0, 1 1 0 7, 1 1 0 8, 1 1 0 6, |
| Patrick | O'Hara | 1884, 1920 | IL | 1 1 0 8, |
| Patrick | O'Hara | 1842, 1910 | IL | 1 1 0 7, |
| Patrick | O'Hara | 1862, 1910 | IL | 1 1 0 7, |
| Patrick | O'Hara | 1879, 1910 | IL | 1 1 0 7, |
| Patrick | O'Hara | 1887, 1910 | IL | 1 1 0 7, |
| Patrick | O'Hara | 1840, 1880 | IL | IRELAND | 1 0 9 0, 1 1 0 6, |
| Patrick | O'Hara | 1825, 1880 | IL | IRELAND | 1 0 9 0, 1 1 0 6, |
| Patrick | O'Hara | 1852, 1880 | IL | IRELAND | 1 0 9 0, 1 1 0 6, |
| Patrick | O'Hara | 1856, 1880 | DE, IL | 1 0 9 0, 1 1 0 6, |
| Patrick | O'Hara | 1866, 1870 | IL | 1 0 8 9, |
| Patrick | O'Harra | 1839, 1870, | IL | IRELAND | 1 0 8 9, |
| Patrick | O'Hara | 1819, 1870, | IL | IRELAND | 1 0 8 9, 1 1 0 4, |
| Patrick | O'Hara | 1829, 1870, | IL | IRELAND | 1 0 8 9, 1 1 0 4, |
| Patrick | O'Hara | 1858, 1870, | IL | IRELAND | 1 0 8 9, 1 1 0 4, 1 1 0 5, |
| Patrick | O'Hara | 1866, 1870, | IL | 1 1 0 4, 1 1 0 5, |
| Patrick | O'Harra | 1839, 1870, | IL | IRELAND | 1 1 0 4, |
| Patrick | O'Hara | 1 1 4 3, |
| Patrick | O'Hara | 2004+ | IR ? | TYRONE | 1 1 8 8, |
| Patrick | O'Hara | 1849, 1860 ? | PA | 1 2 1 0, |
| Patrick (2) | O'Hara | 1858, 1860 | MA | 1 1 1 1, |
| Patrick, Captain | O'Hara | 1840, 1885 | 786 |
| Patrick, Aloysius | O'Hara | 1879, 1955 | NY | 835 |
| Patrick, E. | O'Hara | 1863-06-30, 97-12-27, 1898 | PA | ENGLAND | 061, 155, 205 |
| Patrick, F. | O'Hara | 1927 | NY ? | 754 |
| Patrick, Henry | O'Hara | 1867, 1920s | PA | 1 0 7 0, |
| Patrick, J. | O'Hara | c. 1870 | PA | 983 |
| Patrick, J. | O'Hara | 1900 | US | SLIGO | 267 |
| Patrick, J. | O'Hara | 1968, 1969 | NY | 710 |
| Patrick, J. | O'Hara | c.1875, 1930 | IL | 1 1 0 9, |
| Patrick, J. | O'Hara | 1861, 1910 | IL | 1 1 0 7, |
| Patrick, James ? | O'Hara | 1920s, 1930s | EN | ANTRIM | 725 |
| Patrick, Joseph | O'Hara | 1822, 1834 | IR | IRELAND | 835 |
| Patrick, Michael | O'Hara | 1840, 1854-03, 1860 | IR | MAYO | 477, 484, 508, 509, 519, 549, 584, 631, 792, 793 |
| Patrick, Pat | O'Hara | c.1829, 1860, 1867? | IL | IRELAND | 1 0 8 8, 1 0 9 1, |
| Patrick, Patsy | O'Hara | IR | CAVAN | 369 |
| Patrick, Thomas | O'Hara | 1850 ? | MO ? | ARMAGH | 121 |
| Patrick, W. | O'Hara | 1893 | MA | IRELAND | 090 |
| Patrick, W. ? | O'Hara | c.1859, 1910, 1920, 1930 | PA, IL | 1 1 0 7, 1 1 0 8, 1 1 0 9, |
| Patrick, William ? | O'Hara | 1815?, 1822 ?, 1840s | QB?, ON, NY | MAYO, LEITRIM | 1 0 7 1, 1 0 7 2, 1 0 7 4, 1 0 7 5, 1 0 7 6, 1 0 7 8, 1 1 0 0, 1 1 0 3, 1 1 2 1, 1 1 2 2, 1 1 4 4 ?, |
| Pauline | Hanse, O'Hara | 1882 | GA | 244, 245, 246 |
| Pauline | O'Hara | c.1910, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Penelope | MacNicholas, O'Hara | 1800+ | IR | MAYO, SLIGO | 098 |
| Pete | O'Hara | NY | MAYO | 138 |
| Peter | O'Hara | 1850 | NH, NY | 003 |
| Peter | O'Hara | NY | 014, 015 |
| Peter | O'Harrah | 1860-08-08 | OH | 046 |
| Peter | O'Hara | 1866 | ON, SK ? | 282, 287 |
| Peter | O'Hara | 1775-11-16; 1808 | IR, NY | ANTRIM ? | 468, 470, 472, 850, 894 |
| Peter | O'Hara | 1885 | PA | 530 |
| Peter | O'Hara | 1960+, 1997 ? | EN, WL | ENGLAND | 572, 573 |
| Peter | O'Hara | 1872 | MD | MAYO | 837 |
| Peter | O'Hara | 1801 | OH, PA, NY ? | ANTRIM, DERRY ? | 895 |
| Peter | O'Hara | 1857 | SL | 942 |
| Peter | O'Hara | 1831?, 1858-04-14, 1881 | SL | IRELAND | 942, 955 |
| Peter | O'Hara | 1860, 1870, | IL | IRELAND | 1 1 0 5, |
| Peter | O'Hara | 1847, 1860+ | PA | 1 2 1 0, |
| Peter (2) | O'Hara | 1837 | IR | ANTRIM, DERRY ? | 895 |
| Peter ?, Rodney ? | O'Hara | 1 1 6 4, 1 1 6 8, |
| Peter, (= Daniel, Peter ) | O'Hara | 1858-01-18; 1860, 1880+ | NY, MO, IL ? | 1 0 7 2, 1 0 8 2, 1 0 8 4, 1 0 8 5, 1 0 8 6, 1 0 8 7, 1 0 9 3, 1 0 9 4, 1 0 9 5, 1 0 9 7, 1 0 9 9, 1 1 0 0, 1 1 2 1, 1 1 2 2, 1 1 2 5, 1 1 3 0, 1 1 3 3, 1 1 3 4, 1 1 4 6, |
| Peter, F. | O'Hara | 1928-06-14 | NY | 833 |
| Peter, Jr. | O'Hara | NY | 894 |
| Phebe | Shaw, O'Hara | IN | 081, 082, 083 |
| Philip | O'Hara | 1858 | ON | 239 |
| Philip | O'Hara | ON | 228, 666 |
| Philip | O'Hara | 1858 | ON | 238 |
| Philip | O'Hara | ME ? | 500 |
| Philip | O'Hara | MA | 805 |
| Phillip | O'Hara | IR | SLIGO | 651, 654 |
| Phillip | O'Hara | 1860 | VA | SLIGO | 652 |
| Phillip | O'Hara | 1831, 1867 | EN | 734 |
| Phillip | O'Hara | IR, NY ? | SLIGO | 1 1 9 7, (117?) |
| Phillip (2) ? | O'Hara | 1849 | IR | SLIGO | 654 |
| Phonse | O'Hara | ON, PA, NJ ? | 298, 305 |
| Phyllis, Phyliss Eileen | Mcnamara, Mc Namara, O'Hara | 1920s | II | 1 1 6 4, 1 1 6 8, |
| Poll (?) | O'Hara | IR | CORK ? | 829 |
| Polly | O'Hara | 1790 ? | KY | IRELAND | 308 |
| Press, Preston, Presley | O'Hara | 1871 | KY | 361, 362 |
| Priscilla | Cox, O'Hara | 1800 ?, 1850 | KY, GA | 175, 295 |
| Professor | O'Hara | 1838 | GA | 175 |
| R., B. | O'Hara | PA ? | 830 |
| Rachel | Slaughter, O'Hara | 1827, 1861 | FL | 164, 194, 197 |
| Ralph | O'Hara | 1850 | NY | 107 |
| Ralph | O'Hara | 1814, 1892 | NY | 784, 883, 901 |
| Ray | O'Hara | PA | 021 |
| Raymond | O'Harrah | OH | 046 |
| Raymond | O'Hara, O'Hora | PA | 184 |
| Raymond | O'Hara | IR, US | SLIGO | 948 |
| Raymond | O'Hara | 1883-01-09; 1901, 1919, | ON | 1 1 4 2, 1 1 4 9, 1 1 5 0, |
| Raymond, Jr. | O'Hara | 1923; 2000-12-03 | IL, NM | 867 |
| Raymond, Paul | O'Hara | 1919-01-16, 1985-07-06 | PA | 384, 385 |
| Raymond, Sr. | O'Hara | c.1900, 1981 | IL, NM | 867 |
| Rebecca | Kelly, O'Hara | 1863, 1872 | IR | ANTRIM | 843 |
| Rebecca | O'Harrah | 1845 | PA | 241 |
| Rebecca, Louisa | Foy, O'Hara | 1776, 1860 | SC, GA ? | 698 |
| Rhoda | O'Hara, Lathrope | 1808 | 023 |
| Rhoda | O'Hara, Murphy | 1825-06-15 | NC, GA | IRELAND | 237 |
| Rhoda | Lindsey, O'Hara | c. 1859 | IN | 699 |
| Rhoda | O'Hara | 1809 | NY | 784, 883, 901 |
| Richard | O'Hara | PA | 659 |
| Richard | O'Hara | 1863, 1872 | IR | ANTRIM | 843 |
| Richard | O'Hara | NH ? | 189 |
| Richard | O'Hara | 1912 | PA ? | 830 |
| Richard | O'Hara | 1868-02-18, 1881 | SL | 942, 955 |
| Richard | O'Hara | 1922 | MN ? | 981 |
| Richard, Charles | O'Hara | 1966-06-17 | PA | 659 |
| Richard, J. | O'Hara | 1870-07-21; 1897-05-09; 1907-07-27 | MA | 701, 704 |
| Rita | O'Hara | PA | 384, 385 |
| Rita | O'Hara, Cronin | ON | 607, 752 |
| Robbie | O'Hara | IL | 768 |
| Robert | O'Harrah | 1860-08-08 | OH | 046 |
| Robert | O'Hara | 1895 | IR, EN | MAYO | 343, 469, 570 |
| Robert | O'Hara | 1921-12-25 | OH | 495, 635, 637, 638 |
| Robert | O'Hara | 1822-10-22 | ON ? | ENGLAND | 516 |
| Robert | O'Hara, O'Harah | 1800+ | PA | 541 |
| Robert | O'Hara | 1790 | IR | IRELAND | 808, 809, 690 ? |
| Robert | O'Hara, Burke | 1820, 1861 | AU | IRELAND | 808, 809, 690 |
| Robert | O'Hara | 1842 | NB | 692 |
| Robert | O'Hara | PA | 727 |
| Robert | O'Hara | 1873, 1878 | 790, 906, 910 |
| Robert | O'Hara | 1901, 1902 | EN | 912 |
| Robert | O'Hara | 1830s ? | CN, US ? | IRELAND | 902, 909 |
| Robert | O'Hara | 1876 | ON | 958 |
| Robert | O'Hara | 1859 | AU | 974, 975 |
| Robert | O'Hara | 997 |
| Robert, A. | O'Hara | 1877-09 | IR | ANTRIM | 423 |
| Robert, E. | O'Hara | 1842 ?, 1871 | US | IRELAND | 1158 |
| Robert, Emmet | O'Hara | 1830s, 1840s, 1890s ? | IR, US, GA ? | ANTRIM ? | 858, 859, 903, 904, 907, 913 |
| Robert, Emmett | O'Hara | 1830s ?, 1875, 1898 ? | GA | ANTRIM | 905, 908, 920 |
| Robert, Erin | O'Hara | MI | 726 |
| Robert, Gile | O'Hara | 1906 | NE | 781 |
| Robert, Lee | O'Hara | 1899-09; 1908-11 | NE ? | 496 |
| Robert, O. | O'Harra | 1874?, 1880+ | NY | 1 0 3 6, |
| Robert, William | O'Hara | 1922-01-02; 1998-12-14 | CT, NY ? | 392, 616, 645 |
| Roger | O'Hara | 1857-01, 1861, 1862 | IR | MAYO | 477, 484, 508, 509, 549, 584, 631, 792 |
| Roger | O'Hara | IR ? | MAYO | 483 |
| Roger | O'Hara | 1855, 1931 | EN | SLIGO | 334 |
| Roger | O'Hara | IR ? | MAYO | 517 |
| Roger | O'Hara | 1882, 1924 | IR | SLIGO, MAYO | 518 |
| Ronald | O'Hara | EN | 760, 780, 745, 816 |
| Rory | O'Hara | 786 |
| Rosa | O'Hara | NY | 783 |
| Rosarrah, Rosan | O'Hara | 1809 | NY | 784, 883, 901 |
| Roscoe | O'Harrah | OH | 046 |
| Rose | McConville, O'Hara | 1830, 1848, 1857 | NY | ARMAGH | 214 |
| Rose | O'Hara | EN | 528, 764, 811 |
| Rose | O'Hara | EN | 602 |
| Rose | O'Hara | US | MAYO | 708 |
| Rose | O'Hara | 1926(?)-08-23 | NY | 708 |
| Rose | O'Hara | PA, NJ | 785 |
| Rose | O'Hara | 1873 | ON | 884, 910, 923, 1 0 0 1, |
| Rose | O'Hara, McGuire | 1850 | CT | IRELAND | 836, 1 0 0 6, 1 0 4 4, |
| Rose | O'Hara, Cleary, Hall | 1872 | CT, NY | IRELAND | 837 |
| Rose | Mulligan, O'Hara | 1900s | NY | SLIGO ? | 847 |
| Rose (2) | O'Hara | NY | 847 |
| Rose, Ellen | O'Hara, Igoe | MAYO | 524 |
| Rose, Ellen | O'Hara, Nash | 1873 | ON, NY | 871, 922 |
| Rose, Rosa | O'Hara | 1850, 1852?, 1870+ | CT | 1 0 4 0, 1 0 4 1, |
| Rose, Rosemary | Mims ?, O'Hara | 1915, 1920 | TX | 670 |
| Roseann | O'Hara | 1999, 2000 ? | PA, NJ | 784 |
| Roseanna | O'Hara | 1888 | OH | 243 |
| Rosemarie | D'Angelo, O'Hara | 1920-06-14, 1989-08 | PA, NY | 270 |
| Rosemary | O'Hara | 1942 ? | TX | 670 |
| Ross | O'Hara | ON | 123 |
| Ross | O'Hara | 1924 | ON, CA, MI | 562, 824 |
| Rou, Roy | O'Hara | ON | 562, 824 |
| Roy | O'Hara | ON | 123 |
| Roy | O'Hara | 1900 | OK | 172, 173 |
| Roy | O'Hara | 1890 | ON | 238 |
| Roy | O'Hara | 1906 | NE | 781 |
| Ruby | O'Hara | NY | 804 |
| Rufus, D. | O'Hara | 1871 | FL | 210, 211 |
| Ruth | O'Hara, Taggart | 1905-01-20 | MO | 050 |
| Ruth | O'Hara, LeBlanc | 1894-03-31/ 1894-04-01; 1900, 1920, 1973-10 | LA | 320, 1 0 0 7, 1 0 2 3, 1 0 2 5, 1 0 2 6, 1 0 2 9, |
| Ruth | O'Hara | ON | 684 |
| Ruth | O'Hara | MA | 701, 704 |
| Ryan, James | O'Hara | 2000-04-28 | IL | 659 |
| Samuel | O'Hara | OH, IN | 081 |
| Samuel | O'Hara | IN | 083 |
| Samuel | O'Hara | IN | 303, 944 |
| Samuel | O'Hara | 1850 | IN | 664 |
| Samuel | O'Hara, O'Harah | 1815, 1816 | PA | 691 |
| Samuel | O'Hara | c.1859 | IN | 699 |
| Samuel | O'Hara | c. 1780, 1857, 1863 | IR | CAVAN | 819 |
| Samuel | O'Hara | 1969 | NZ | 1054 |
| Samuel | O'Hara | 1840s, 1850, 1860s | OH, IA | 1 1 7 9, 1 1 8 6, |
| Samuel, Charles ?, Tipton | O'Hara | c. 1859, 1883-09-19, 1924 | IN, WA | 699, 1 1 6 0, |
| Sara | O'Hara, Conway | 1842, 1870 | NB | 692 |
| Sara | O'Hara | 1850s, 1860s | OH, IA ? | 1 1 7 2, |
| Sarah | O'Harrah | 1860-08-08 | OH | 046 |
| Sarah | O'Harrah | OH | 046 |
| Sarah | O'Hara | 1855 | NY, WI | 053 |
| Sarah | O'Hara | 1861 | AU | 057 |
| Sarah | Baker, O'Hara | 1860-08-16; 1861-07-29 | IA | 079, 979 |
| Sarah | Logan, O'Hara | IN | 081, 082 |
| Sarah | O'Hara | 1913 | PA | 202 |
| Sarah | O'Harah | 1842 | PA | 241 |
| Sarah | O'Hara | 1869-06-15, 1797 ? | IR | ANTRIM | 356 |
| Sarah | Campbell, O'Harrow, O'Hair | KY ? | 634, 458 |
| Sarah | O'Hara, McAulay | 1860 | SL | 806 |
| Sarah | O'Hara, O'Hara | IR, AU | 819 |
| Sarah | Dibbit, O'Hara | 1822, 1834 | IR | IRELAND | 835 |
| Sarah | O'Hara | 1859, 1946 | MA | IRELAND | 835 |
| Sarah | O'Hara | 1865, 1942 | PA | 981 |
| Sarah | O'Hara, Quinn | 1865 | PA ? | 981 |
| Sarah | O'Hara | 1835, 1860+ | NY | IRELAND | 1 0 8 2, |
| Sarah | Baker, O'Hara, O'Harra | 1850, 1860-08-16 | IA | 1 1 7 9, 1 1 8 5, |
| Sarah | O'Hara, O'Harra, Miller | 1853-03-23 | OH, IA | 1 1 7 9, 1 1 8 5, |
| Sarah | Wilkins, O'Hara | IL, WI | 1 1 9 0, |
| Sarah (2) | O'Hara | NB | 692 |
| Sarah ? | O'Hara | SL | 994 |
| Sarah Jane | Early, O'Hara | 1845-03-20 | AL, IN ? | 303 |
| Sarah, A. | O'Hara | 1880-09; 1900, 1910, 1920 | IA, UT, WY | 599 |
| Sarah, A. | O'Hara | WI ? | 598, 600 |
| Sarah, Ann | McCaffrey, O'Hara | 1816, 1871 | QB | 091 |
| Sarah, Ann | O'Hara ?, McMinn, MacKay | 1901 | CN, AU | ANTRIM | 104 |
| Sarah, Ann | McCaffrey | 1816, 1840, 1849 | ON, QB | 351 |
| Sarah, Ann | O'Hara, Scott | 1845, 1868, 1871, 1891 | EN | DUBLIN | 820, 822, 823 |
| Sarah, Cecelia | O'Hara | 1890 | MA | 179 |
| Sarah, E. | O'Hara | 1854 | IR ? | ANTRIM | 290, 319 |
| Sarah, Elizabeth | O'Hara, Wheeler | 1851, 1875 | WI, IA | 219, 418 |
| Sarah, Helen | O'Hara | 1870, 1880 | EN | MAYO | 486 |
| sarah, helen | O'Hara | MAYO | 485 |
| Sarah, Jane | Rice, O'Hara | 1877 | VA, KY | 361 |
| Sarah, Sally | O'Hara | 1804, 1875 | NY | 784, 883, 901 |
| Sarah, Sara | O'Hara | IR | CORK ? | 829 |
| Sean | O'Hara ? | c. 1950 ? | EN | 658 |
| Sean | O'Hara | 786 |
| Selma | Rerrie, O'Hara | 786 |
| Serena | O'Hara | KY | 495, 637 |
| Shannon | O'Hara | NB | 493 |
| Shannon, Eve | O'Hara | 1980-07-09; 2003+ | NY | 804 |
| Shaun | O'Hara | 1951-06-20; 2003+ | NY | 804 |
| Sheela | O'Hara, O'Neill | 1600+ | IR | ANTRIM | 069 |
| Shevonne | O'Hara | PA | 762 |
| Shevonne | O'Hara | PA ? | 794 |
| Simon | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Simon, Samuel | O'Hora, O'Hara | 1850, 1880 ? | NY | 436 |
| Sirenius | O'Hara | NY | 026 |
| Sonny | O'Hara | 786 |
| Sorley | O'Hara | 1600+ | IR | ANTRIM | 069 |
| Stanley | O'Hara | 1918-09; 1909-09; 1962 | NS | 1 0 4 6, |
| Stanley | O'Hara | 1880-07-30 (20?); 1901+ | ON | 1 1 4 1, 1 1 4 9, 1 1 5 0, |
| Stella | O'Hara | 1878-09-01 | 956 |
| Stephen | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| Stephen | O'Hara | 1862 | OH | SLIGO | 480 |
| Stephen | O'Hara | 1859, 1883-06-29 | NY | 804 |
| Stephen ? | O'Hara | US | 122 |
| Stephen, George | O'Hara | 1916, 1980 | 842, 844 |
| Stephen, V. | O'Hara | 1884; 1963-09-24 | NY | 804 |
| Steve | O'Hara | ON, PA, NJ ? | 298, 305 |
| Steven | O'Hara | 1879 | NY | 961 |
| Steven, Paul | O'Hara | 786 |
| Stewart | O'Hara | ON | 562, 824 |
| Stuart | O'Hara | ON | 123 |
| Susan | McGeough, O'Hara | PA, MA ? | 129 |
| Susan | O'Hara | 1857 | NY | 214 |
| Susan | O'Hara | NY ? | 369 |
| Susan | O'Hara | 1878 ?, 1881 | SL | 538, 539 |
| Susan | Mulholland, O'Hora. O'Hara ? | 1870 | PA ? | IRELAND | 659 |
| Susan | O'Hara, Kelly | 1876 | 838 |
| Susan | O'Hara | 1865, 1931 | NY, PA | IRELAND ? | 835 |
| Susan | O'Hara | 1863, 1930 | OH | 1 0 6 4, |
| Susan | O'Hara, Robinson ? | 1811, 1829?, 1850, 1860 | PA, IA | 1 1 7 9, 1 1 8 3, 1 1 8 4, 1 1 8 6, |
| Susan | O'Hara, Gallagher | 2004 | IR ? | TYRONE | 1 1 8 8, |
| Susan, Susanna | Higgins, O'Hara | 1855, 1864 | IR | SLIGO | 143 |
| Susan, Valleta | O'Hara | 1850 ? | 1 1 8 9, |
| Susana | O'Hara | 1928 | NY | 833 |
| Susanna | O'Hara | 1851 ? | IR, SL | ANTRIM | 309 |
| Susanna | O'Hara | IR, SL | ANTRIM | 592 |
| Susen, Susan, Elisabeth | O'Hara | 1871-06-04, 1881 | SL | 942, 955 |
| Susie | O'Hara, O'Leary | 1923, 1952 | MN, IA | 043 |
| Suzanna | O'Harra, Hull | 1806 | IL | 002 |
| Suzanna | Schall, Shawl, O'Harrah | 1896 | OH | 046, 268, 311, 312 |
| Suzanna | O'Hara | PA ? | 313 |
| Suzanne | O'Hara | 786 |
| Sylvester, Edward | O'Hara | 1891 | OH | 243 |
| Teighe | O'Hara | 1616 | IR | SLIGO | 378 |
| Teresa | O'Hara | 2002 | NY | 847 |
| Teresa | O'Hara | 1851, 1860+ | PA | 1 2 1 0, |
| Thaddeus, Thady | O'Hara | 1890s, 1917 ? | EN | SLIGO | 713 |
| Thelma | Miller, O'Hara | PA | 762 |
| Thelma | Miller, O'Hara | PA ? | 794 |
| Theodore | O'Hara | 1820 ?, 1822-02-11 ?, 1867-06-06 | KY, AL | 175, 292, 293, 294, 295 |
| Theresa | O'Hara, Mahoney | 1870 | NJ | 255 |
| Theresa | Klosterman, O'Hara | 1921-12-25 | OH | 495, 635, 637, 638 |
| Theresa, M. | Kavanaugh, O'Hara | 1875, 1909-02-24 | NY | 804 |
| Therese | O'Hara | PA | 728, 724 |
| Thomas | O'Hara, O'Harah | c. 1852, 1855?, 1880,1888, 1891 | NY | 374, 986, 1 0 6 1, 1 0 6 2, |
| Thomas | O'Hara | SLIGO | 143 |
| Thomas | O'Hora, O'Hara ? | PA ? | 659 |
| Thomas | O'Hora, O'Hara | PA | 659 |
| Thomas | O'Hara | 1866 | AU | 1 0 5 7, |
| Thomas | O'Hara | 1845 | IA | CAVAN | 004 |
| Thomas | O'Hara | 1845 | US | 004 |
| Thomas | Hara | 1871-02-24 | DERRY | 017 |
| Thomas | Hara | 1871 | DERRY | 017 |
| Thomas | O'Hara | 1816 | ON | IRELAND | 229 |
| Thomas | O'Hara | 1848 | ON | 239 |
| Thomas | O'Hara | NY | 042 |
| Thomas | O'Hara | 1816 | ON | IRELAND | 228, 663, 666 |
| Thomas | O'Hara | ON | 228, 666 |
| Thomas | O'Hara | 1878 | EN | 743, 744, 745, 760, 748, 817 |
| Thomas | O'Hara | 1852 | IR | SLIGO | 654 |
| Thomas | O'Hara | IR ? | MAYO | 146 |
| Thomas | O'Hara | 1866-01-22 | IR | MAYO | 584 |
| Thomas | O'Hara | 1852-08-05, 1880-10-10 | MA | ENGLAND | 179 |
| Thomas | O'Hara | 1819, 1892 | ON | 238, 504, 505 |
| Thomas | O'Hara | 1848 | ON | 238 |
| Thomas | O'Hara | 1800 | ON | 663 |
| Thomas | O'Hara | 1850 ? | NY | LEITRIM ? | 306 |
| Thomas | O'Hara | 1951-08-08 | US | 324 |
| Thomas | O'Hara | 1855, 1858 | EN, US | IRELAND | 341 |
| Thomas | O'Hara | 387 |
| Thomas | O'Hara | 1840, 1858, 1888 | ON | IRELAND | 766, 767, 769, 770 |
| Thomas | O'Hara | EN | 432 |
| Thomas | O'Hora, O'Hara | 1850, 1880 | NY | MAYO | 436 |
| Thomas | O'Hora, O'Hara | 1850, 1880 | NY | 436 |
| Thomas | O'Hara | 1866-11-21 | IR | MAYO | 519 |
| Thomas | O'Hara | 1851?; 1873-10-28; 1878; 1905 | ON | IRELAND ? | 558, 644, 790, 884, 919, 923, 938, 997, 1 0 0 1, 1 0 2 0, 1 0 3 1, |
| Thomas | O'Hara | 1900s ? | OH | SLIGO, MAYO | 626 |
| Thomas | O'Hara | 1866-11 | IR | MAYO | 631 |
| Thomas | O'Hara | 1850 ? | NY | MAYO | 650 |
| Thomas | O'Hara | 1850 ? | NY | MAYO ? | 650 |
| Thomas | O'Hara | 1824 ?, 1860 | OH | IRELAND | 657 |
| Thomas | O'Hara | IR, AU | MAYO | 708 |
| Thomas | O'Hara | PA | 728, 724 |
| Thomas | O'Hara | 1861 | ON | 770 |
| Thomas | O'Hara | 1863 | ON?, NY | 783 |
| Thomas | O'Hara | 1866-11-21 | IR ? | MAYO | 792 (477, 483, 484, 508, 509, 519, 520, 549, 584, 631) |
| Thomas | O'Hara | PA | 799 |
| Thomas | O'Hara | 1900 | MA | 839 |
| Thomas | O'Hara | NY | 847 |
| Thomas | O'Hara | 1873 | ON, NY | 871, 922 |
| Thomas | O'Hara | NY, CT ? | 880 |
| Thomas | O'Hara | 1600s | IR | IRELAND | 939 |
| Thomas | O'Hara | 1829 | ON | 926 |
| Thomas | O'Hara | 1863-08-23 | ON | 926 |
| Thomas | O'Hara | 1900-08-08 | ON | 926 |
| Thomas | O'Hara | c.1905 | ON | 926 |
| Thomas | O'Hara | 1846 | NY | 935 |
| Thomas | O'Hara | 1920 | MN ? | 981 |
| Thomas | O'Hara | c. 1865, 1882, 1940 | QB | MAYO | 1 0 2 1, 1 0 8 1, |
| Thomas | O'Hara | 1851, 1870 | NY | 1 0 5 9, 1 0 6 0, |
| Thomas | O'Hara | 1815 ?, 1822 ?; 1843-05-29; 1860, c.1864 | QB, NY | MAYO, LEITRIM | 1 0 7 1, 1 0 7 2, 1 0 7 4, 1 0 7 5, 1 0 7 6, 1 0 7 8, 1 1 1 9, 1 1 2 1, 1 0 8 2, 1 0 8 3, 1 0 9 3, 1 0 9 4, 1 0 9 5, 1 0 9 6, 1 1 0 0, 1 1 0 2, 1 1 0 3, 1 1 2 1, 1 1 2 2, 1 1 2 4, 1 1 3 1, 1 1 3 4, 1 1 3 7, 1 1 4 4 ?, |
| Thomas | O'Hara | c. 1855, 1880, | OH, IL | 1 1 0 6, |
| Thomas | O'Hara | 1818, 1870, | IL | IRELAND | 1 1 0 5, |
| Thomas | O'Hara | 1859, 1870, | IL | IRELAND | 1 1 0 5, |
| Thomas | O'Hara | 1854, 1870 | OH, IL | 1 1 0 4, |
| Thomas | O'Hara | 1860 ?, | GA | 1 2 3 2, |
| Thomas | O'Hara | 1850 | ON ?,MI ?,NY | LEITRIM, MAYO ? | 1 1 0 1, |
| Thomas (1) | O'Hara | IR | CAVAN | 819 |
| Thomas (2) | O'Hara | IR, AU | 819 |
| Thomas (2) | O'Hara | 1877?, 1880 | MO | 1 0 8 5, 1 0 8 6, 1 0 9 7, |
| Thomas (3) | O'Hara | IR ? | 819 |
| Thomas, Edward | O'Hara | 1875 | ON | 192 |
| Thomas, Edward | O'Hara | 1875-06-26, 1901-04-16 | ON, AZ | 122 |
| Thomas, Edward | O'Hara | 1875-06-26 | ON, NY, PA, KS, CA | 128 |
| Thomas, Edward | O'Hara | 1886 | MA | 179 |
| Thomas, Edward | O'Hara | 1875-06-26 | ON, PA ? | 305 |
| Thomas, Edward | O'Hara | 1906-08-31; 1971-12-25 | NE, IA | 496 |
| Thomas, Jefferson | O'Hara | 1815, 1822, 1851-06-30, 1870+ | NY, MO | 1 0 7 2, 1 0 8 2, 1 0 8 4, 1 0 9 3, 1 0 9 4, 1 0 9 5, 1 1 0 0, 1 1 2 1, 1 1 2 2, 1 1 2 5, 1 1 2 6, 1 1 2 7, 1 1 2 8, 1 1 3 0, 1 1 4 6, |
| Thomas, Joseph | O'Hara | 1881, 1957 | NY | 835 |
| Thomas, L. | O'Hara, Ohara | 1850 | ME | IRELAND | 159 |
| Thomas, M. | O'Hara | NY | 374 |
| Thomas, Patrick | O'Hara | 1900?, 1960, 1961 | NJ | SLIGO | 391 |
| Thomas, Paul | O'Hara | 1963 | PA | 659 |
| Thomas, Peter | O'Hara | 1884-03-12 | OH | 126 |
| Thomas, S. | O'Hara | 1884 | FL ? | 241 |
| Thos | O'Hara | 1862 | AU | 057 |
| Thos, Tom, Thomas ? | O'Hara | 1852?,1880 | NY, MO? | 1 0 8 5, 1 0 8 6, 1 0 9 7, |
| Tim, Leslie, Vincent | O'Hara | 786 |
| Timothy | O'Hara | MN | 163 |
| Timothy, Paul | O'Hara | 1963 | PA | 659 |
| Tom | O'Hara | ON | 213 |
| Tom | O'Hara | 1790? | ON | CLARE, CORK | 195, 640, 238, 663 |
| Tom | O'Hara | 1828 | ON | 195, 238, 663 |
| Tom | O'Hara | 1853 | ON, SK ? | 282, 287 |
| Tom | O'Hara | 1980s | CO | 611 |
| Tommy | O'Hara | IL | 768 |
| Tomzon, Thompson, Tompsen, Ann, Ayn | O'Hara, Grant | 1830, 1848, 1850, 1900 | KY, GA | 175, 295 |
| Ton, Anthony | O'Hara | 1890 | PA | MAYO, SLIGO | 133 |
| Ursula | O'Hara | MA | 701, 704 |
| Valentine | O'Hara | 1865 | ON, SK ? | 282, 287 |
| Valentine | O'Hara | c. 1905 | ON | 926 |
| Valerie | Wilson, (O'Hara) | 1969 | NZ | 1054 |
| Van, M. | O'Hara | c.1913, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Vaughn | O'Hara | 1878?, 1880 | MO | 1 0 8 5, 1 0 8 6, |
| Veronica | O'Hara, Reilly | EN ? | 606, 608 |
| Veronica | Nicholson, O'Hara | 1918 ? | NY | 931 |
| Veronica | O'Hara | 1 1 4 3, |
| Vincent | O'Hara | 1918-07-25 | NY | 720 |
| Vincent | O'Hara | 1917 | NY | 930 |
| Violet ? | O'Hara | SL | 464 |
| Virgina | O'Hara | 1 1 4 3, |
| Walter | O'Hara | 1822, 1826, 1860, 1871 | ON | ENGLAND | 516 |
| Walter | O'Hara | ON ? | ENGLAND ? | 516 |
| Walter | O'Hara | PA ? | 794 |
| Walter | O'Hara | 1903-08-05; 1979-04 | MO | 1 1 4 3, 1 1 5 1, 1 1 5 4, 1 1 5 7, |
| Walter | O'Hara | 1904-05-05; 1949-06 | CA, MO | 1 1 5 1, 1 1 5 7, |
| Walter Jr. | O'Hara | PA ? | 794 |
| Walter Sr. | O'Hara | PA ? | 794 |
| Walter, C. | O'Hara | PA | 762 |
| Walter, C. Jr. | O'Hara | PA | 762 |
| Walter, J. (?) | O'Hara | 1883, 1884, 1910, 1920, | NY, MO | 1 1 5 2, |
| Walter, Jr. | O'Hara | 1 1 4 3, |
| Walter, V. | O'Hara | c.1905, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| Wesley | O'Hara, O'Harah | 1800+ | PA | 541 |
| Wilder | O'Hara | 1850 | NY | 107 |
| Wilfred, Bill, J. | O'Hara | c. 1924 | NJ | 1 2 0 1, 1 2 0 3, 1 2 0 6, |
| Wilfred, Harold | O'Hara | 786 |
| Wiliam | O'Harrah | OH | 046 |
| William | O'Hara | 618 |
| William | O'Hara | PA | 021 |
| William | O'Hara | 1867 | ON | 239 |
| William | O'Hara | 1882, 1960 | NY | 042 |
| William | O'Hara | c. 1840 | NY | IRELAND | 374, 986 |
| William | O'Hara | 1827 | US? | ROSCOMMON | 100, 101 |
| William | O'Hara | 1827 | US? | 100, 101 |
| William | O'Hara | 1881 | EN | 743, 744, 745, 760, 748, 817 |
| William | O'Hara | OH, IN | 083 |
| William | O'Hara | 1880 | ON | 097 |
| William | O'Hara | 1843 | IR | SLIGO | 654 |
| William | O'Hara | 1838, 1860 | IR | SLIGO | 654 |
| William | O'Hara, O'Hora | 1855 | PA | 184, 284, 384 ?, 385 ? |
| William | O'Hara, O'Hora | PA | 184 |
| William | O'Hara | PA | 384, 385 |
| William | O'Hara | 1867, 1890 ? | ON | 238 |
| William | O'Hara | 1890 | ON | 238 |
| William | O'Hara | 1916-12-13, 1982-05 | PA, NY | 270 |
| William | O'Hara | 1858 | ON, SK ? | 282, 287 |
| William | O'Hara | 1820, 1821, 1845-03-20, 1899-01-09 | AL, IN | IRELAND | 303 |
| William | O'Hara | IN | 303 |
| William | O'Hara | 1829,1851-09-21, 1857 | EN, NZ | ENGLAND | 323 |
| William | O'Hara | 1919, 1934 | US | 324 |
| William | O'Hara | US | 324 |
| William | O'Hara | 1839, 1917-03 | NS | IRELAND | 371 |
| William | O'Hara | 1850, 1870, 1930s, 1940s | NY, MA | 379, 393, 445, 995 |
| William | O'Hara | 1843, 1845 | EN | SLIGO | 401 |
| William | O'Hara | 1866-05 | IR | ANTRIM | 423 |
| William | O'Hara | NY | 452 |
| William | O'Hara | 1908 | EN | 529 |
| William | O'Hara | 1850? | NY | IRELAND | 581 |
| William | O'Hara | 1943 | IR, EN | LIMERICK | 583 |
| William | O'Hara | 1945 | CA ? | 603 |
| William | O'Hara | EN | 760, 780, 745, 816 |
| William | O'Hara | 1864 | NY | 783 |
| William | O'Hara | 1875, 1980 | 786 |
| William | O'Hara | 1878, 1880 ? | ON | (558), 644, 884, 910, 923, 1 0 0 1, 1 0 3 1, |
| William | O'Hara | WI, MD ? | 797 |
| William | O'Hara | IR ? | 819 |
| William | O'Hara | 1850 ?, 1880, 1900+ | IR, BC | CORK ? | 829 |
| William | O'Hara | 1837 | IR | ANTRIM, DERRY ? | 895 |
| William | O'Hara ? | ON, NS ? | 925 |
| William | O'Hara | 1867 | NY | 932 |
| William | O'Hara | 1878; 1942-12-24 | ON ? | 934 |
| William | O'Hara | 1888-01; 1918 | MN | 981 |
| William | O'Hara | 1895 | PA ? | 981 |
| William | O'Hara | 1912, 1942 | MN | 981 |
| William | O'Hara | 1918 ?, 1920+ | LA | 1 0 2 6, |
| William | O'Hara | 1856, 1910+ | NY, MA | 1 0 3 4, 1 0 3 5, |
| William | O'Harra | 1856?, 1857?, 1858?, 1880+ | NY | 1 0 3 6, 1 0 3 7, 1 0 3 8, |
| William | O'Hara | 1875?, 1880+ | CT | 1 0 4 2, |
| William | O'Hara | 1850s, 1860s | NS | 1 1 9 5, |
| William ? | O'Hara | IR | MAYO | 708 |
| William John | O'Hara | 1872-05-02 | US | ANTRIM | 843 |
| William Jr. | O'Hara | PA ? | 794 |
| William Jr., Bill | O'Hara | 2002 | PA | 762 |
| William Sr | O'Hara | PA | 762 |
| William Sr. | O'Hara | PA ? | 794 |
| William, B. | O'Hara | 1879 | MA | 834, 1 1 9 3, |
| William, Bernard | O'Hara | 1877-03-02; 1910-03-05; | MA | 1 1 9 9, |
| William, E. | O'Hara, Stubbs??? | 1800s | FL | WESTMEATH | 1 0 1 9, |
| William, Edward | O'Hara | 1901-01-31, 1973-06-06 | PA | 061, 155 |
| William, Edward | O'Hara | 1916-10-02; 1981-08-07 | NY | 708 |
| William, Francis | O'Hara | US ? | 779 |
| William, Francis | O'Hara | 1876-07-13; 1904-09-04; 1967-05-09 | MA, ME | 701, 704 |
| William, Franklin | O'Hara | 1817, 1892 | NY | 784, 883, 901 |
| William, H. | O'Hara | 1888-05-28; 1968-12 | NY | 804 |
| William, Hartford, Buster ? | O'Hara | 1887 ?, 1918-04-08, 1920s | ON, MT | 562, 824 |
| William, Henry | O'Hara | 1868-01-29 | OH | 047 |
| William, Henry | O'Hara | 1897-10-26; 1940-08-12 | CT, NY ? | 392, 616, 645 |
| William, Henry | O'Hara | c. 1844 | IR, AU | IRELAND | 808, 809, 690 ? |
| William, Homer, III | O'Hara | 1980-05-06 | MA | 834, 1 1 9 3, 1 1 9 4, 1 1 9 9, |
| William, Homer, Jr. | O'Hara | 1941-02-06 | MA | 834, 1 1 9 3, 1 1 9 4, 1 1 9 9, |
| William, Homer, Sr. | O'Hara | 1910-03-05; 1991-04-11 | MA | 618, 1 1 9 3, 1 1 9 4, 1 1 9 9, |
| William, J. | O'Hara | 1915-05-10; 1947-07-05; 1973; 2002+ | NY | 804 |
| William, J. | O'Hara | 1949-09-05; 1971-06-19; 2003+ | NY | 804 |
| William, J. | O'Hara | 1913, 1946 | PA | 741 |
| William, J. | O'Hara | 1966-04-01 | NY | 1 0 2 2, 1 0 5 3, 1 0 5 5, 1 0 5 6, |
| William, J. | O'Hara | 1875?, 1930 | MA | 1 0 3 3, |
| William, John | O'Hara | 1997-06-29 | AU | 057 |
| William, John | O'Hara | IR | ANTRIM | 356 |
| William, Joseph | O'Hara | 1905-03-06 | PA, NJ | ROSCOMMON | 785 |
| William, Joseph, Willie ? | O'Hara | 1891-01; 1891-02-14 ?; 1900, 1920, 1979-11 | LA | 320, 1 0 0 7, 1 0 2 3, 1 0 2 5, 1 0 2 6, 1 0 2 9, |
| William, P. | O'Hara | 1845, 1870, 1922 | CA | ENGLAND | 186, 187, 747 |
| William, Patrick | O'Hara | 1854 | ON | MAYO | 122 |
| William, Patrick | O'Hara | 1845, 1854 | IR, ON | MAYO | 128 |
| William, Patrick | O'Hara | 1865, 1875 | ON | 305 |
| William, R. | O'Hara | c. 1907, 1930+ | MO | 1 1 5 1, 1 1 5 7, |
| William, Richard | O'Hara | 1880, 1957 | ON | IRELAND ? | 607, 752, 766 |
| William, T. | O'Hara | IA, IN | 881, 949 |
| William, T. | O'Hara | 1870-10-09; 1890; 1948-09-09 | 956 |
| Willie | O'Hara | CT ? | 836, 1 0 0 6, 1 0 4 4, |
| Winfred, T. | Kelly, O'Hora, O'Hara ? | 1873, 1892, 1917 | PA | 659 |
| Winifred | O'Hara | NY | 815 |
| Winifred | Dolan, O'Hara | MAYO ? | 815 |
| Winifred | O'Hara | OK ? | 815 |
| Winnifred, Kathleen | Duffy, O'Hara | 2003+ ? | NB, NS | 929 |
| Wm | O'Hara | 1800 | US | IRELAND | 059 |
| Wm, Thomas | O'Hara | 1884, 1904, 1978 | IL, TX | 168 |
| Wm, William | O'Hara | 1831?, 1839?, 1870 | NY | IRELAND | 1 0 5 8, 1 0 5 9, 1 0 6 0, |
| Wm, William ?, H | O'Hara | 1844, 1860+ | NY | 1 0 8 2, |
| Wm., H. | O'Hara | NY | 374 |
| Woodward | O'Hara | 1850 ?, | 1 1 8 9, |
| Yvonne | O'Hara | 1 1 6 4, 1 1 6 8, |
| Zelda | Prentice, O'Hara | 956 |
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