| Name | Relationship with Wendy Libby | Civil | Canon |
|---|
| Sykes, Louisa | 6th cousin 4 times removed | XVIII | 11 |
| Sykes, Maria | 6th cousin 4 times removed | XVIII | 11 |
| Symonds, Elizabeth | Wife of the 2nd cousin 8 times removed | | |
| Tarbox, Benjamin | Husband of the 2nd cousin 6 times removed | | |
| Tarr, Daniel | Husband of the 1st cousin 7 times removed | | |
| Tarr, David | 2nd cousin 6 times removed | XII | 9 |
| Tarr, George M. | Husband of the 5th cousin 4 times removed | | |
| Tarr, Mary | 2nd cousin 6 times removed | XII | 9 |
| Taylor, Cora A. | Wife of the 5th cousin 3 times removed | | |
| Tenny, John | Husband of the 2nd cousin 7 times removed | | |
| Thacher, Sarah Jane | Wife of the 3rd cousin 5 times removed | | |
| Thayer, A. | Husband of the 5th cousin 4 times removed | | |
| Thayer, Edward | 6th cousin 3 times removed | XVII | 10 |
| Theresa | 2nd cousin | VI | 3 |
| Thing, Mary W. | 3rd great-grandmother | V | 5 |
| Thompson, Frederick | Husband of the 8th cousin twice removed | | |
| Thorndike, S. C. F. | Husband of the 6th cousin 4 times removed | | |
| Thurston, Alfred | Husband of the 6th cousin 3 times removed | | |
| Thurston, Frank | 8th cousin twice removed | XX | 11 |
| Thurston, Unknown | Husband of the 7th cousin 3 times removed | | |
| Tibbetts, Abbie McCaslin | Wife of the 5th cousin 4 times removed | | |
| Tinney, U.N. | Husband of the 4th cousin 5 times removed | | |
| Titus, Caroline | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Electa | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Jeduthan | Husband of the 5th cousin 5 times removed | | |
| Titus, Joseph | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Louisa | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Margaret | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Ogden | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Rosa Loretta | 6th cousin 4 times removed | XVIII | 11 |
| Titus, Salie | 6th cousin 4 times removed | XVIII | 11 |
| Tobin, Daniel | Husband of the 6th cousin 4 times removed | | |
| Tobin, Elizabeth | 7th cousin 3 times removed | XIX | 11 |
| Tobin, John | Husband of the 5th cousin 5 times removed | | |
| Tobin, Louisa | 7th cousin 3 times removed | XIX | 11 |
| Tobin, Lydia Ann | 7th cousin 3 times removed | XIX | 11 |
| Tobin, Mary Susan | 7th cousin 3 times removed | XIX | 11 |
| Tobin, Sarah Janette | 7th cousin 3 times removed | XIX | 11 |
| Tobin, Solomon | Husband of the 7th cousin 3 times removed | | |
| Todd, Catherine | Wife of the 3rd cousin 5 times removed | | |
| Todd, Joseph | Husband of the 3rd cousin 5 times removed | | |
| Tolman, Henry | Husband of the 2nd cousin 7 times removed | | |
| Touchstone, Mary | Wife of the 1st cousin 7 times removed | | |
| Tower, Silence | Wife of the 2nd cousin 6 times removed | | |
| Townsend, Hannah | Wife of the 4th cousin 6 times removed | | |
| Trafton, Olive | Wife of the 2nd cousin 7 times removed | | |
| Traux, Mary Lovina | Wife of the 6th cousin 4 times removed | | |
| Tredway, Belle Elizabeth | 6th cousin twice removed | XVI | 9 |
| Tredway, Edward Augustus | 6th cousin twice removed | XVI | 9 |
| Tredway, Frank Curtis | 6th cousin twice removed | XVI | 9 |
