| Name | Birth date | Birth location | Marriage date | Death date | Death location |
|---|---|---|---|---|---|
| Orbison | |||||
| Child Orbison | |||||
| Orboda | Abt 218 | Berg, Scandinavia | |||
| Orfield? | |||||
| Nicole Orfield? | |||||
| Orio | |||||
| Aubri of Orleans | 886 | ||||
| Ermentrude of Orleans | Abt 825 | Orleans, France | Abt December 14, 842 | October 06, 869 | |
| Eudes of Orleans | |||||
| Hugh II of Orleans | Abt 765 | France | |||
| Dawn Orman | |||||
| Erla Mozzoli Orr | July 26, 1881 | Baxter, Iowa | July 21, 1903 | July 07, 1972 | Baxter, IA |
| Rozillia Martha Orr | December 03, 1901 | Pleasant Valley, MT | May 10, 1926 | December 16, 1968 | Lonepine, MT |
| Clemence Orreby | Unknown | Unknown | |||
| James T. Orrell | Unknown | December 29, 1872 | Unknown | ||
| Dylan Osadjan | 1990 | ||||
| Kevin Osadjan | |||||
| Molly Osadjan | 1986 | ||||
| Osbeorn | |||||
| Christopher Wayne Osborn | December 28, 1978 | ||||
| Steven Michael Osborn | November 23, 1972 | ||||
| Carol Ann Osborne | February 13, 1944 | Denver, CO | July 1965 | ||
| Edwin Albert Osborne, Jr. | May 26, 1918 | Denver, CO | July 25, 1939 | ||
| Janet Marie Osborne | August 19, 1942 | Denver, CO | June 11, 1966 | ||
| Mark Allen Osborne | February 25, 1974 | ||||
| Paul Anthony Osborne | September 19, 1974 | ||||
| Steven Fraiser Osborne | December 15, 1950 | Denver, CO | November 08, 1970 | ||
| Osburga | Abt 810 | Abt 830 | 846 | ||
| Benjamin Hardin Osburn | 1831 | June 16, 1852 | 1900 | ||
| Charles Alonzo Osburn | 1857 | 1935 | |||
| Floye Mauree Osburn | 1889 | ||||
| Frances Priesley Osburn | 1902 | 1927 | |||
| Francis Marion Osburn | 1856 | 1935 | |||
| Mary Elizabeth Osburn | 1879 | 1923 | |||
| Mary A. Oschner | Unknown | Unknown | Unknown | Unknown | |
| Thane of Isle of Wight Oslac | Abt 785 | Wessex, England | |||
| Osland | |||||
| Angie Osland | 1972 | ||||
| Beverly Ann Osland | 1957 | 1957 | |||
| Gary Lee Osland | 1949 | ||||
| Jennifer Osland | |||||
| Jerry Dwayne Osland | 1947 | ||||
| John Thomas Osland | 1986 | ||||
| Joy Osland | |||||
| Kenneth Virgil Osland | 1921 | ||||
| Larry David Osland | 1945 | ||||
| Laurie Osland | |||||
| Mary Elizabeth Osland | 1955 | 1957 | |||
| Nicole Marie Osland | 1981 | ||||
| Rhonda Osland |