Robert Vaughn was born 7 March 1691 in East Greenwich, Kent County, Rhode Island to George Vaughn (1650-1704) and Margaret Spink (1660-1704) and died circa 1735 East Greenwich, Kent County, Rhode Island of unspecified causes. He married Johannah Sweet (1695-1757) 18 February 1719 in East Greenwich, Kent County, Rhode Island.
Children
| Name | Birth | Death | Joined with |
| Sarah Vaughn (1726-1760) | |||
| Benjamin Vaughan (1730-1818) | 4 November 1730 East Greenwich, Kent County, Rhode Island | 5 August 1818 East Greenwich, Kent County, Rhode Island | Catharine Godfrey (1732-1809) Mellicent Lockwood (1750-1822) |
| Margaret Vaughan (1734-1800) | |||
| Caleb Vaughan (1720-1803) | |||
| David Vaughn (1722-1804) | |||
| Robert Vaughan (1732-1811) | |||
Siblings