| Father | Jeremiah Gifford (1681 - 1770) |
| Mother | Mary Wright (twin) (1683 - 1780) |
| Sibling | Jonathan Gifford (1704 - 1757) |
| Sibling | Gideon Gifford (1706 - 1760) |
| Sibling | John O. Gifford (1708 - 1802) |
| Sibling | Sarah Gifford (1710 - 1790) |
| Sibling | Joseph Gifford (twin) (1712 - 1776) |
| Sibling | William Gifford (1714 - 1754) |
| Sibling | Benjamin Gifford (1717 - 1807) |
| Sibling | Isaac Gifford (twin) (1717 - 1872) |
| Sibling | Peleg Gifford (1719 - 1810) |
| Sibling | Margaret Gifford (1722 - 1773) |
| Sibling | Adam Gifford (1725 - 1778) |
| Sibling | David Gifford (1728 - 1791) |