| Name | Relationship with Holly Ferguson | Civil | Canon |
|---|
| Half 24th cousin 7 times removed | LVII | 32 |
| Half 25th cousin 5 times removed | LVII | 31 |
| Thomas, Isaac C. | 6th great-grandfather | VIII | 8 |
| Thomas, Isaac Francis | 2nd great-grandfather | IV | 4 |
| Half 26th cousin 5 times removed | LIX | 32 |
| Half 27th cousin 3 times removed | LIX | 31 |
| Thomas, James Ashberry | 2nd great-granduncle | VI | 5 |
| Half 26th cousin 5 times removed | LIX | 32 |
| Half 27th cousin 3 times removed | LIX | 31 |
| Thomas, John | 5th great-granduncle | IX | 8 |
| Thomas, Mandy | 5th great-grandaunt | IX | 8 |
| Thomas, Margaret Elizabeth | Great-grandmother | III | 3 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Mary | 1st cousin 6 times removed | X | 8 |
| Thomas, Mary | 5th great-grandaunt | IX | 8 |
| Thomas, Mary | Great-grandaunt | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Minnie Florence | 1st cousin 3 times removed | VII | 5 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Nathan T. | 3rd great-grandfather | V | 5 |
| Half 25th cousin 6 times removed | LVIII | 32 |
| Half 26th cousin 4 times removed | LVIII | 31 |
| Thomas, Nehemiah | 5th great-granduncle | IX | 8 |
| Thomas, Oliver | Great-granduncle | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Pheaby | 5th great-grandaunt | IX | 8 |
| Thomas, Pleasant King | Great-grandaunt/uncle | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Prudence | 5th great-grandaunt | IX | 8 |
| Thomas, Rhoda C. | Great-grandaunt | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Robert Franklin | Great-granduncle | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Roena Caroline | 2nd great-grandaunt | VI | 5 |
| Half 26th cousin 5 times removed | LIX | 32 |
| Half 27th cousin 3 times removed | LIX | 31 |
| Thomas, Rueben David | 2nd great-granduncle | VI | 5 |
| Half 26th cousin 5 times removed | LIX | 32 |
| Half 27th cousin 3 times removed | LIX | 31 |
| Thomas, Samuel | Great-granduncle | V | 4 |
| Half 27th cousin 4 times removed | LX | 32 |
| Half 28th cousin twice removed | LX | 31 |
| Thomas, Sarah | 1st cousin 6 times removed | X | 8 |
