| Name | Birth date | Birth location | Marriage date | Death date | Death location |
|---|
| Tara Osland | | | | | |
| Terry Gene Osland | 1953 | | | | |
| Thomas Dale Osland | 1959 | | | | |
| Osmer | | | | | |
| Aden Ali Ossable | | | | | |
| Jeremy Aden Ali Ossable | April 09, 1987 | | | | |
| Osterlund | | | | | |
| Alice Oston | Abt 1200 | Cheshire, England | | Unknown | |
| Randolph Oston | Abt 1170 | Cheshire, England | | Unknown | |
| Bruce Lawrence Otis | | | December 14, 1991 | | |
| Olivia Winifred Otis | November 23, 1996 | | | | |
| Ott | | | | | |
| Child Ott | Abt December 1995 | | | | |
| Chris Ott | | | | | |
| Dawn Faye Ott | March 08, 1964 | | | | |
| Leo Ott | | | | | |
| Leo Ott, Jr. | | | | | |
| Tim Ott | | | | | |
| Adils Ottarsson | Abt 572 | Sweden | | | |
| Amy Otto | March 19, 1976 | | | | |
| Anna Otto | November 17, 1891 | Calba, Saxony, Germany | December 27, 1911 | June 13, 1972 | Clarksville, Iowa |
| Mark Otto | | | | | |
| Victor B. Ouithken | | | September 14, 1930 | | |
| Alysha Marie Ousley | 1990 | | | | |
| Arthur Ousley | | | | | |
| Charles Overton | | | | | |
| Martha Overton | | | March 26, 1856 | March 04, 1865 | |
| Nancy Overton | Unknown | | | Unknown | |
| Stella Marie Overton | October 26, 1909 | | June 27, 1935 | August 1993 | |
| Einion ap Owain | Unknown | | | 984 | |
| Maredudd ap Owain | Unknown | | | 999 | |
| Bartholomew Owen | 1630 | England | 1661 | January 31, 1676/77 | Grayes Creek, Southwarke Parish, Surry Co, Virginia |
| Carl Owen | | | | | |
| Foghan Owen | | | | Abt 405 | |
| Johanna Owen | January 03, 1713/14 | Prince George Co, Virginia | 1729 | 1795 | Franklin County, Virginia |
| John Owen | Unknown | | | | |
| Myron Owen | 1700 | Prince George Co, Virginia | | | |
| Richard Owen | Abt 1550 | England | January 14, 1579/80 | Unknown | |
| Robert Owen | Abt 1590 | Unknown | November 21, 1613 | Unknown | |
| Robert Owen | Abt 1668 | Surry County, Virginia | | 1717 | Surry County, Virginia |
| Robert Owen | 1688 | | | | |
| Sanford Owen | 1704 | Prince George Co, Virginia | | | |
| William Owen | 1671 | Prince George Co, Virginia | 1698 | October 23, 1752 | Halifax County, Virginia |
| William Owen | 1702 | Prince George Co, Virginia | | 1788 | |
| Ann Owens | 1710 | Prince George Co, Virginia | | | |
| Katherine Owens | Abt 1660 | Surry County, Virginia | August 1676 | Bef. 1719 | Surry County, Virginia |
| LaWanna Michelle Owens | | | February 26, 1994 | | |
| Lisa Owens | | | August 21, 1993 | | |
| Lydia Owens | 1712 | Prince George Co, Virginia | | | |
| Mary Owens | 1708 | Prince George Co, Virginia | | | |
