| Name | Relationship with Holly Ferguson | Civil | Canon |
| Bodenhamer, Noah Elmer | Husband of the 1st cousin 3 times removed | | |
| Booth, Sarah | 6th great-grandmother | VIII | 8 |
| Boswell, Mary Virginia | Wife of the 2nd cousin 4 times removed | | |
| Bouwman, Liseeth Marie | Wife of the 1st cousin once removed | | |
| Wife of the half 31st cousin | | |
| Bowen, Laura V. Garrison or | Wife of the 4th cousin 3 times removed | | |
| Bowles, Mary | Wife of the 3rd great-granduncle | | |
| Bows, Elizabeth | 4th great-grandmother | VI | 6 |
| Bradshaw, Andrew William | 2nd cousin once removed | VII | 4 |
| Bradshaw, George | Husband of the 2nd cousin | | |
| Bradshaw, Judith Rachel | 2nd cousin once removed | VII | 4 |
| Bradshaw, Matthew Ryan Ross | 2nd cousin once removed | VII | 4 |
| Branson, Charles | Husband of the 2nd cousin once removed | | |
| Braumhall, Joy Marie | Wife of the 1st cousin once removed | | |
| Wife of the half 29th cousin twice removed | | |
| Wife of the half 30th cousin | | |
| Bretton, Richard Elmsall of | 17th great-granduncle | XXI | 20 |
| Brooks, Elizabeth | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, James | Husband of the 6th great-grandaunt | | |
| Husband of the half 22nd cousin 9 times removed | | |
| Husband of the half 23rd cousin 7 times removed | | |
| Brooks, James | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Joel | Husband of the 6th great-grandaunt | | |
| Husband of the half 22nd cousin 9 times removed | | |
| Husband of the half 23rd cousin 7 times removed | | |
| Brooks, John | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Jonah | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Mary | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Nimrod | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Sarah | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Susannah | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |
| Brooks, Vashti | 1st cousin 7 times removed | XI | 9 |
| Half 23rd cousin 8 times removed | LVI | 32 |
| Half 24th cousin 6 times removed | LVI | 31 |