- Ogilvie
- Ogle
-
Elizabeth B: 1886Massedonia B: 1857Rebecca Cresap B: 1783, D: 1853
- Ogsbury
-
Charles Augustus B: 1840Daniel Clayton B: between 1847 and 1848John P. B: 1818Mary Catharine B: 1848Peter B: 1841
- Ohl
- Ohlendorf
- Ohlsson
-
Alfreda Wilhelmina Dorte B: 1890, D: 1984Freda O. B: 1890, D: 1984
- Ohm
-
Eve Jean B: 1929, D: 2005Lilly B. (Mrs.) (née Thacker) B: 1908, D: 1990William C. B: 1897, D: 1995
- Ohmart
-
Alberta Grace B: 1919, D: 1998
- Ohmstead
- Ohnemus
-
Laura A. (Mrs.) (née Cantrell) B: 1879
- Okimoto
- Olde
-
Flossie Lou B: 1905Vivian B: 1908, D: 1962
- Older
- Oldfather
-
Estella Vivian B: 1866, D: 1946Estelle B: 1866, D: 1946
- Oldfield
-
Mary B: 1791, D: 1875
- Oldham
-
Susan Elvira B: 1865, D: 1953Susie B: 1865, D: 1953
- Olds
-
Abel B: 1721/22Andrew Francis B: 1859, D: 1860Arabelle Mary B: 1888, D: 1975Carl R. B: 1891Cecil W. B: 1884Chauncey C. B: 1886Clara B: 1568, D: 1614Edward H. B: 1896, D: 1959Edwin Hubert B: 1896, D: 1959Eugene Augustus B: 1893, D: 1960Eva M. B: 1894Frankie (Mrs.) (née Phillippe) B: 1899, D: 1967Harriet E. B: circa 1858
- Olds (cont.)
-
Lawrence Qunintin B: 1890, D: 1900Lillian Beatrice B: 1898, D: 1987Lucy B: circa 1859Mary B: 1888, D: 1975Mary Amanda B: 1855, D: 1857Mary M. (Mrs.) B: 1900, D: 1980Milem Albert B: 1856, D: 1856William Henry B: 1857, D: 1859