Thankful Hamlin was born 6 August 1715 in Barnstable, Barnstable County, Massachusetts, United States to Ebenezer Hamlin (1683-1736) and Thankful Hamlin (1679-1768) and died 1768 of unspecified causes. She married Joseph Bangs (1713-c1757) 18 September 1735 in Barnstable, Barnstable County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| Lemuel Bangs (1739-1824) | 31 December 1739 Harwich, Barnstable County, Massachusetts, United States | 9 May 1824 Portage, Livingston County, New York, United States | Rebecca Keeler (1751-1812) |
Siblings
| Name | Birth | Death | Joined with |
| Thankful Hamlin (1715-1768) | 6 August 1715 Barnstable, Barnstable County, Massachusetts, United States | 1768 | Joseph Bangs (1713-c1757) |