| Name | Birth date | Birth location | Death date | Death location | Spouse | Marriage date | Marriage location |
| OTT, Joy | May 10, 1921 | | Mar 17, 1996 | Bakersfield, Kern Co. CA | BRADLEY, Opal Pauline | 1947 | |
| OUDERKIRK, Harold | Aft. 1904 | | | | BOLEN, Ernestine | Aft. 1924 | |
| OVELMAN, John | Abt. 1835 | | | | EVANS, Emaline | Aft. 1850 | |
| OVELMAN, May | Aft. 1855 | | | | | | |
| OVERSTREET, Ailcy | Jun 04, 1887 | Marionville, Lawrence Co. MO | 1889 | Marionville, Lawrence Co. MO | | | |
| OVERSTREET, Benjamin | 1859 | | | | | | |
| OVERSTREET, Charity | Jul 09, 1882 | Marionville, Lawrence Co. MO | Jan 20, 1963 | Seattle, King Co. WA | PRIER, Wesley | May 1902 | Monett, Lawrence Co. MO |
| OVERSTREET, Clara | Jan 29, 1880 | Marionville, Lawrence Co. MO | Jul 03, 1962 | Woodward, OK | JOHNSON, Landy York | Abt. 1901 | Berryville, AK |
| OVERSTREET, Cora | Aft. 1868 | | | | RUTLEDGE, ? | Aft. 1888 | |
| OVERSTREET, Emma | Aft. 1868 | | | | BRUCK, ? | Aft. 1888 | |
| OVERSTREET, Ernest Joel | 1882 | | 1934 | Lawrence Co. MO | SELLARS, Ilene | Aft. 1902 | |
| OVERSTREET, Etta Mary | 1888 | | 1890 | Lawrence Co., Missouri | | | |
| OVERSTREET, Fitzhugh Lee | Mar 10, 1897 | State of MO | 1949 | Des Moines, IA | BISBEE, Pearl | Aft. 1917 | |
| OVERSTREET, Franklin | Aug 12, 1858 | Barry Co. MO | 1859 | Barry Co. MO | | | |
| OVERSTREET, Glenn | Oct 16, 1891 | State of MO | 1967 | Plainview, TX | FERGUSON, William | Jan 16, 1910 | Waynoka, OK |
| OVERSTREET, Henry Harrison | Sep 11, 1877 | Marionville, Lawrence Co. MO | Jun 1962 | Camden, TN | SALOMON, Mary | Sep 1912 | Waynoka, OK |
| OVERSTREET, Ida | 1870 | | 1920 | | GIPSON, Alfred | 1892 | Marionville, Lawrence Co. MO |
| OVERSTREET, James | Abt. 1795 | State of VA | Nov 27, 1839 | Edwards Co. IL | HOLLAND, Susanna | May 01, 1817 | Crawford Co. IL |
| OVERSTREET, James Thomas | 1879 | | 1925 | | SAWYER, Myrtle | Aft. 1899 | |
| OVERSTREET, Joel Churchill | Feb 07, 1857 | Galena, Stone Co. MO | Jan 11, 1934 | South of Elsey, Lawrence Co. MO | WHITTEN, Mary Telitha | May 07, 1902 | |
| OVERSTREET, Joel Churchill | Nov 17, 1884 | Marionville, Lawrence Co. MO | May 10, 1963 | Burbank, CA | NEFF, Julia | Aft. 1904 | |
| OVERSTREET, John | 1874 | | 1948 | Lawrence Co. MO | | | |
| OVERSTREET, Laura Priscilla | Nov 24, 1885 | | Sep 25, 1971 | Kimbrough Nursing Home, Springfield, Greene Co. MO | CANNADY, Wyatt | Aft. 1905 | |
| OVERSTREET, Lucretia | 1837 | Edwards Co. IL | 1877 | | HENSON, Wiley Frank | Jul 23, 1857 | Barry Co. MO |
| OVERSTREET, Lyda | 1857 | | | | FISK, Shelly Dick | Aft. 1877 | |
| OVERSTREET, Martha | Oct 12, 1844 | State of IL | May 13, 1927 | Lawrence Co. MO | LESTER, Joseph J. | Sep 01, 1865 | State of MO |
| OVERSTREET, Mary Elizabeth | Aug 12, 1858 | Barry Co. MO | Oct 24, 1919 | Marionville, Lawrence Co. MO | MCNEILL, William D. | Apr 01, 1876 | Lawrence Co. MO |
| OVERSTREET, Ora | Aft. 1868 | | | | CARR, ? | Aft. 1888 | |
| OVERSTREET, Pearl | Sep 01, 1875 | Marionville, Lawrence Co. MO | Aug 25, 1933 | Stockton, CA | MOORE, George Sherman | Feb 06, 1895 | State of MO |
| OVERSTREET, Priscilla | Jun 01, 1851 | State of MO | Aug 24, 1920 | Lawrence Co. MO | LESTER, Samuel D. | Aft. 1871 | |
| OVERSTREET, Ruth | Apr 25, 1889 | Marionville, Lawrence Co. MO | | | TAYLOR, Arthur | Oct 23, 1907 | Waynoka, OK |
| OVERSTREET, Sherman Melton | Jan 27, 1895 | State of MO | Jan 27, 1962 | Waynoka, OK | | | |
| OVERSTREET, Silas | Aug 23, 1848 | Barry Co. MO | Apr 17, 1894 | Marionville, Lawrence Co. MO | MCCALL, Sarah | Oct 28, 1868 | Lawrence Co. MO |
| OVERSTREET, Susan | Oct 12, 1839 | Edwards Co. IL | Mar 04, 1893 | Marionville, Lawrence Co. MO | MELTON, Elisha Jefferson | Jul 17, 1856 | Stone Co. MO |
| OVERSTREET, Virgil | Jun 20, 1883 | | May 14, 1925 | Lawrence Co. MO | | | |
| OVERSTREET, William Henry | Sep 22, 1853 | Galena, Stone Co. MO | Jun 03, 1940 | Waynoka, OK | TAYLOR, Mary Antoinette | Jan 25, 1874 | Marionville, Lawrence Co. MO |
| OVERSTREET, William Henry Harrison | Jan 04, 1819 | Edwards Co. IL | Nov 22, 1894 | Barry Co. MO | CARNEY, Mary Anna | Jun 23, 1836 | Edwards Co. IL |
| OVERSTREET, William Otis | 1892 | | 1951 | | MEREDITH, Effie | Aft. 1912 | |
| OVESEN, Peder | Bef. 1805 | Klastrup Mill, Denmark | | Denmark | CHRISTENSDATTER, Mette | Abt. 1825 | Denmark |
| OWEN, Ashley | Bet. 1985 - 1995 | | | | | | |
| OWEN, Samantha | Bet. 1985 - 1995 | | | | | | |
| OWEN, Teresa Lynn | Bet. 1965 - 1975 | | | | CRISP, Nathan Lynn | Apr 25, 1998 | New Braunfels, TX |
| OWENS, Glenn | Bef. 1942 | | | | CARNEY, Phyllis Jean | Aft. 1962 | |
| OWENS, Harvey | 1868 | Pulaski Co. KY | | | | | |
| OWENS, John H. | 1875 | Pulaski Co. KY | | | | | |
| OWENS, Kathleen Cecile | Mar 02, 1962 | Spokane, Spokane Co. WA | | | WHITE, Richard Trexler | Dec 29, 1985 | Black Diamond, King Co. WA |
| OWENS, Loretta M. | Feb 12, 1880 | Pulaski Co. KY | Dec 15, 1967 | Burnside, Pulaski Co. KY | | | |
| OWENS, Mary M. | 1873 | Pulaski Co. KY | | | | | |
| OWENS, Minerva | 1870 | Pulaski Co. KY | | | | | |
| OWENS, William H. | 1837 | Clairborne Co. TN | | | PING, Elizabeth E. | Sep 05, 1867 | Pulaski Co. KY |