| Name | Relationship with Peter Davies | Civil | Canon |
| Thomas, Eliza | 2nd cousin once removed | VII | 4 |
| Thomas, Eliza | 2nd cousin 3 times removed | IX | 6 |
| Thomas, Elizabeth | 3rd cousin once removed | IX | 5 |
| Thomas, Elizabeth | 3rd cousin twice removed | X | 6 |
| | Wife of the 1st cousin twice removed | | |
| | Wife of the 2nd cousin twice removed | | |
| Thomas, Elizabeth | 3rd cousin twice removed | X | 6 |
| Thomas, Elizabeth | 3rd cousin twice removed | X | 6 |
| Thomas, Evan | 3rd cousin twice removed | X | 6 |
| Thomas, Henry | 3rd cousin twice removed | X | 6 |
| Thomas, Henry | 3rd cousin twice removed | X | 6 |
| Thomas, Herbert | 3rd cousin twice removed | X | 6 |
| Thomas, James | Husband of the 2nd cousin 3 times removed | | |
| Thomas, James | 3rd cousin twice removed | X | 6 |
| Thomas, Jane | 2nd cousin once removed | VII | 4 |
| Thomas, Jane | 3rd cousin twice removed | X | 6 |
| Thomas, John | Husband of the 1st cousin twice removed | | |
| Thomas, John | Husband of the 1st cousin twice removed | | |
| Thomas, John | 3rd cousin twice removed | X | 6 |
| Thomas, John | 2nd cousin 3 times removed | IX | 6 |
| Thomas, John | 3rd cousin twice removed | X | 6 |
| Thomas, John | 3rd cousin twice removed | X | 6 |
| Thomas, Joshua | Husband of the 2nd cousin twice removed | | |
| Thomas, Joshua | 2nd cousin 3 times removed | IX | 6 |
| Thomas, Joshua | 3rd cousin twice removed | X | 6 |
| Thomas, Margaret | 2nd cousin once removed | VII | 4 |
| Thomas, Margaret | 2nd cousin 3 times removed | IX | 6 |
| Thomas, Margaret | 3rd cousin twice removed | X | 6 |
| Thomas, Margaret | 3rd cousin twice removed | X | 6 |
| Thomas, Margaret | Wife of the 4th cousin once removed | | |
| Thomas, Martha | 2nd cousin once removed | VII | 4 |
| Thomas, Mary | 3rd cousin twice removed | X | 6 |
| Thomas, Mary | 2nd cousin 3 times removed | IX | 6 |
| Thomas, Mary | 3rd cousin twice removed | X | 6 |
| Thomas, Mary | 3rd cousin twice removed | X | 6 |
| Thomas, Rachel | 2nd cousin once removed | VII | 4 |
| Thomas, Sarah | 3rd cousin once removed | IX | 5 |
| Thomas, Sarah | 3rd cousin twice removed | X | 6 |
| Thomas, Thomas | 2nd cousin once removed | VII | 4 |
| Thomas, Thomas | 3rd cousin once removed | IX | 5 |
| Thomas, Thomas | Husband of the 1st cousin 4 times removed | | |
| Thomas, Thomas | 2nd cousin 3 times removed | IX | 6 |
| | Husband of the 2nd cousin 3 times removed | | |
| Thomas, Thomas | 3rd cousin twice removed | X | 6 |
| Thomas, Thomas | 3rd cousin twice removed | X | 6 |
| Thomas, Thomas | 3rd cousin twice removed | X | 6 |
| | Husband of the 1st cousin twice removed | | |
| | Husband of the 2nd cousin twice removed | | |
| Thomas, William | 2nd cousin once removed | VII | 4 |
| Thomas, William | 3rd cousin twice removed | X | 6 |