Thomas Adams, Sr. was born 21 May 1688 in Medfield, Norfolk County, Massachusetts to Henry Adams (1657-1733) and Prudence Frary (1662-1750) and died 1763 of unspecified causes. He married Mary Ellis (1691-1778) 1712 in Medfield, Norfolk County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Mary Adams (1711-1711) | |||
| Hannah Adams (1712-1736) | |||
| Mary Adams (1714-1769) | |||
| Thomas Adams (1725-1812) | 31 March 1725 Medfield, Norfolk County, Massachusetts | 13 July 1812 Medfield, Norfolk County, Massachusetts | Elizabeth Clark (1734-1767) Sarah Harris (1749-1826) |
Siblings
| Name | Birth | Death | Joined with |
| Prudence Adams (1683-1772) | |||
| Hannah Adams (1685-1775) | |||
| Thomas Adams (1688-1763) | 21 May 1688 Medfield, Norfolk County, Massachusetts | 1763 | Mary Ellis (1691-1778) |
| Jeremiah Adams (1691-1772) | |||
| Elizabeth Adams (1694-1766) | |||
| Henry Adams (1702-1782) | |||