| Father | Israel Jefferson (b. 1858, d. 1 January 1929) |
| Mother | Susan Elizabeth Oglesby (b. 21 October 1861, d. 23 March 1935) |
| Son | Charles Oscar Jefferson+ (b. 16 January 1935, d. 15 October 2006) |
| Pedigree Chart | |
| Included in charts - lists | Descendants of Alexander McCain (McKean) b. 1675 Descendants of Alexander McCain (McKean) b. 1752 Descendants of Arthur R E Forbis b. ca 1723 |
| Relationship | 3rd cousin 2 times removed of Charles Ryland ("Ryland") Scott 3rd cousin 4 times removed of Isaac Silas Vaughn 3rd cousin 4 times removed of Katherine Gilstrap Scott 3rd cousin 4 times removed of Joseph Ryland Scott 3rd cousin 4 times removed of Charles Parker ("Parker") Scott 3rd cousin 4 times removed of Orly Marie Vaughn 3rd cousin 4 times removed of Avital Catherine Vaughn |
| Birth | 18 July 1891 | Oscar Charles Jefferson was born on 18 July 1891 in Gulfport, Harrison, Mississippi, United StatesBG. |
| Marriage | 21 May 1921 | He and Almeda Frona McKinney were married on 21 May 1921 in Poteau, Le Flore, Oklahoma, United StatesBG. |
| Burial | 1966 | He was buried in 1966 in Hontubby Cemetery, Hontubby, Le Flore, Oklahoma, United States of AmericaBG. |
| Death | 14 February 1966 | He died on 14 February 1966 at age 74 in San Francisco, San Francisco, California, USABGO.1 |
| Last Edited | 18 January 2021 |