| Father | Rodolphus R Thatcher (1677 - 1757) |
| Mother | Patience Skiffe (1682 - 1757) |
| Sibling | Elizabeth Thatcher (1721 - 1744) |
| Sibling | Hepzibath Thacher (1703 - ) |
| Sibling | John Thacher (1715 - ) |
| Sibling | Thomas Thacher (1717 - 1763) |
| Sibling | Mercy Thacher (1717 - 1813) |
| Sibling | Sarah Thatcher (1719 - 1811) |
| Sibling | Ebenezer Thacher (1721 - 1756) |
| Sibling | Hephzibah Thatcher (1721 - 1800) |
| Sibling | Patience Thacher (1721 - ) |
| Sibling | Benjamin Thatcher Sr. (1724 - 1808) |
| Sibling | Joanna Thacher (1726 - 1757) |
| Sibling | Benjamin Thatcher (1732 - 1757) |