Bethiah Fuller Lathrop was born 10 March 1678 in Barlows Landing, Barnstable County, Massachusetts to John Fuller (1635-1691) and Hannah Morton (1659-1738) and died 26 October 1714 Barnstable, Barnstable County, Massachusetts of unspecified causes. She married Barnabas Lathrop (1663-1732) 20 February 1706 in Barnstable, Barnstable County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| John Lothrop (1709-1756) | |||
| Hannah Lothrop (1712-) | |||
| Samuel Lahtrop (1713-1729) | |||
Siblings
| Name | Birth | Death | Joined with |
| Lydia Fuller (1675-1735) | |||
| Ann Fuller (1678-1768) | |||
| Reliance Fuller (1679-1761) | |||
| Bethiah Fuller (1687-1714) | 10 March 1678 Barlows Landing, Barnstable County, Massachusetts | 26 October 1714 Barnstable, Barnstable County, Massachusetts | Barnabas Lathrop (1663-1732) |
| John Fuller (1689-1732) | 6 October 1689 Barnstable, Barnstable County, Massachusetts | 24 July 1732 Barnstable, Barnstable County, Massachusetts | Thankful Gorham (1690-1759) |