Sarah Lathrop was born 2 October 1735 in Norwich, New London County, Connecticut, United States to Ebenezer Lathrop (1703-1781) and Lydia Leffingwell (1706-1766) and died 21 February 1780 Norwich, New London County, Connecticut, United States of unspecified causes. She married William Wheeler Coit (1735-1821) 21 March 1759 in Preston, New London County, Connecticut, United States.
Children
| Name | Birth | Death | Joined with |
| Abigail Coit (1760-1819) | |||
| Daniel Coit (1761-1832) | |||
| Elisha Coit (1762-1836) | 22 December 1762 Norwich, New London County, Connecticut, United States | 19 June 1836 New York City, New York, United States | Rebecca Saltonstall Manwaring (1768-1853) |
| Isaac Coit (1771-) | |||
| Eliza Coit (1772-1846) | |||
Siblings
| Name | Birth | Death | Joined with |
| Sybil Lathrop (1725-1802) | 1725 | 17 August 1802 | Samuel Tracy (1723-1798) |
| Zipporah Lathrop (1733-1814) | 11 May 1733 Norwich, New London County, Connecticut, United States | 16 March 1814 Norwich, New London County, Connecticut, United States | Simon Huntington (1719-1801) |
| Sarah Lathrop (1735-1780) | 2 October 1735 Norwich, New London County, Connecticut, United States | 21 February 1780 Norwich, New London County, Connecticut, United States | William Wheeler Coit (1735-1821) |
| Zerviah Lathrop (c1738-1795) | |||
| Zephaniah Lathrop (1747-1815) | |||