Susanna Grout Brigham was born 2 March 1720 in Sudbury, Middlesex County, Massachusetts to Joseph Grout (1683-1750) and Mary Harrington (1692-1774) and died 1 March 1816 Westborough, Worcester County, Massachusetts of unspecified causes. She married Levi Brigham (1716-1787) 6 June 1745 .
Children
| Name | Birth | Death | Joined with |
| Levi Brigham (1746-1821) | |||
| Joseph Brigham (1747-1760) | |||
| Elijah Brigham (1750-1750) | |||
| Elijah Brigham (1751-1816) | 7 July 1751 Westborough, Worcester County, Massachusetts | 22 February 1816 Washington, District of Columbia | Ann S Parkman (1755-1783) Sarah Lambert (1750-1787) Sara Ward (1756-1838) |
| Susannah Brigham (1754-1834) | |||
| Winslow Brigham (1756-1837) | |||
| Josiah Brigham (1758-1788) | |||
| Mindwell Brigham (1760-1784) | |||
| Anna Brigham (1763-1790) | |||
Siblings