Mary Hubbard Gates was born 4 May 1712 in Concord, Middlesex County, Massachusetts, United States to Samuel Hubbard (1687-1753) and Sarah Clark (1681-1720) and died 16 December 1754 Marlborough, Middlesex County, Massachusetts, United States of unspecified causes. She married Amos Gates (1706-1783) 10 December 1754 in Stow, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Oliver Gates (1733-1813) | |||
| Amos Gates (1735-1804) | |||
| Simon Gates (1739-1803) | |||
| Abraham Gates (1741-1806) | |||
| Asa Gates (1743-) | |||
| Isaac Gates (1746-1831) | 22 October 1746 Stow, Middlesex County, Massachusetts | 17 February 1831 Acworth, Sullivan County, New Hampshire, United States | Mary Wheeler (1754-1818) |
Siblings