Thankful Hamilton Sweet was born circa 1687 in North Kingston, Washington County, Rhode Island to William Hamilton (1647-1749) and Mercy Lucy Berry (1666-1730) and died circa 1792 North Kingston, Washington County, Rhode Island of unspecified causes. She married William Sweet (1685-) 1704 in Kent County, Rhode Island.
Children
| Name | Birth | Death | Joined with |
| Dorcas Sweet (1709-) | |||
| Elizabeth Sweet (1713-) | |||
| William Sweet (1715-1796) | |||
| Deborah Sweet (1717-1780) | |||
| Priscilla Sweet (1718-1782) | 12 April 1718 West Greenwich, Kent County, Rhode Island | 2 December 1782 Albany, Albany County, New York | Griffin Sweet (1709-1802) |
| Rachel Sweet (1720-1745) | |||
| Alice Sweet (1721-1814) | |||
| Caleb Sweet (1724-1796) | |||
Siblings