| Name | Birth date | Relationship with Thomas Jefferson |
| Anderson, Dora Sue | | 1st cousin 8 times removed |
| Anderson, James Tommie | | 1st cousin 8 times removed |
| Anderson, Jimmie | | Husband of the 1st cousin 7 times removed |
| Anderson, Lawrence | | 1st cousin 8 times removed |
| Anderson, Leon | | Husband of the 1st cousin 7 times removed |
| Anderson, Louise | | Wife of the 1st cousin twice removed |
| Anderson, Malinda | | 1st cousin 8 times removed |
| Anderson, Marlin Woodroe | | Husband of the 1st cousin 6 times removed |
| Anderson, William Sears | February 06, 1877 | Husband of the 1st cousin 5 times removed |
| Annabelle | Abt. 1330 | 8th great-grandmother |
| Annette, Marie | | Wife of the 1st cousin 8 times removed |
| | | Wife of the 1st cousin 9 times removed |
| Archer, Edward P. | | Husband of the niece |
| Archer, John | | Husband of the grandaunt |
| Archer, Peter Field | | Husband of the niece |
| Armstrong, Ed | | Husband of the 1st cousin 6 times removed |
| Armstrong, Eddie Don | | 1st cousin 7 times removed |
| Armstrong, Janice | | 1st cousin 7 times removed |
| Armstrong, Mike | | 1st cousin 7 times removed |
| Armstrong, Rhonda Jo | | Wife of the 1st cousin 7 times removed |
| Armstrong, Sandra | | 1st cousin 7 times removed |
| Asbury, Geneva Sharp | October 21, 1877 | Wife of the 1st cousin 4 times removed |
| Atkinson, Kimberly | | Wife of the 1st cousin 8 times removed |
| Auld, Ed | | Husband of the 1st cousin 4 times removed |
| Auld, Holly | | Husband of the 1st cousin 4 times removed |
| Auld, Leona Pearl | September 17, 1914 | 1st cousin 5 times removed |
| Auld, Maxine | October 14, 1920 | 1st cousin 5 times removed |
| Auld, Perry Lee | February 15, 1914 | 1st cousin 5 times removed |
| Auld, R. E. | July 19, 1912 | 1st cousin 5 times removed |
| Auld, Raymond Henry | May 02, 1916 | 1st cousin 5 times removed |
| Austin, Clint Stanton | | 1st cousin 8 times removed |
| Austin, Guy | March 01, 1923 | Husband of the 1st cousin 6 times removed |
| Austin, Marilyn Claire | November 08, 1938 | 1st cousin 7 times removed |
| Austin, Mikala Suzanne | May 14, 1947 | 1st cousin 7 times removed |
| Austin, Mr. | | Husband of the 1st cousin 6 times removed |
| Austin, Partin | May 25, 1919 | Husband of the 1st cousin 6 times removed |
| Austin, Rene | February 11, 1901 | Wife of the 1st cousin 6 times removed |
| Austin, Sherri Dean | June 13, 1945 | 1st cousin 7 times removed |
| Austin, Stanley Smith | January 28, 1954 | 1st cousin 7 times removed |
| Austin, Virginia | January 20, 1914 | Wife of the 1st cousin 5 times removed |
| Avary, Mildred | 1767 | Wife of the 1st cousin once removed |
| Avery, DeWayne | | Husband of the 1st cousin 7 times removed |
| Avery, Gladys Marie | | Wife of the 1st cousin 5 times removed |
| Avery, Mary Don | | 1st cousin 8 times removed |
| Avery, Monica DeAnn | | 1st cousin 8 times removed |
| Avery, Monte Wayne | | 1st cousin 8 times removed |
| Avise | 1437 | 8th great-grandmother |
| Ayers, Jason Lee | | 1st cousin 8 times removed |
| | | 1st cousin 9 times removed |
| Ayers, Jeffrey | | Husband of the 1st cousin 8 times removed |