Oswald Mosley was born 17 March 1761 to John Parker Mosley, 1st Bart (1732-1798) and Elizabeth Bayley (c1730-1797) and died 27 July 1789 of unspecified causes. He married Elizabeth Tonman (?-?) 1 February 1784 .
Children
| Name | Birth | Death | Joined with |
| Oswald Mosley, 2nd Bart (1785-1871) | 27 March 1785 | 24 May 1871 | Sophia Anne Every (1780-1859) |
Footnotes (including sources)
| ‡ General |