Samuel Allyn Otis was born 24 November 1740 in Barnstable, Barnstable County, Massachusetts, United States to James Otis (1702-1778) and Mary Allyn (1702-bef1775) and died 22 April 1814 Washington, D.C., United States of unspecified causes. He married Elizabeth Gray (1746-1779) 31 December 1764 in Barnstable, Barnstable County, Massachusetts, United States. He married Mary Smith (1757-1839) 7 March 1782 in Boston, Suffolk County, Massachusetts, United States.
Children
| Name | Birth | Death | Joined with |
| Harrison Gray Otis (1765-1848) | 8 October 1765 Boston, Suffolk County, Massachusetts, United States | 28 October 1848 Boston, Suffolk County, Massachusetts, United States | Sally Foster (1770-1838) |
| Elizabeth Otis (1767-1788) | |||
| Jonathan Mayhew Otis (-1772) | |||
| Samuel Allyne Otis (1770-1814) | 1770 Boston, Suffolk County, Massachusetts, United States | 27 October 1814 Newburyport, Essex County, Massachusetts, United States | Elizabeth Coffin (1775-1803) Elizabeth Marquand (1782-1868) |
| George Otis (1778-1797) | |||
Residences
Footnotes (including sources)
| ‡ General |
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