Joseph Gosper was born 29 April 1804 in Wilberforce, New South Wales, Australia to Thomas Roker Alexander Gosper (1768-1847) and Mary Ann Hipwell (c1765-1837) and died 11 February 1889 Kurrajong, New South Wales, Australia of unspecified causes. He married Ann Marsden (1812-1870) 27 January 1829 in Saint John's, Wilberforce, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Joseph Gosper (1829-1903) | 20 December 1829 Wilberforce, New South Wales, Australia | 7 April 1903 Nyngan, New South Wales, Australia | Elizabeth Jane Cribb (1835-1907) |
| Matilda Gosper (1831-1916) | |||
| Henry Gosper (1833-1904) | 5 November 1833 Colo, New South Wales, Australia | 29 November 1904 Grafton, New South Wales, Australia | Jane Matilda Gosper (1834-1907) |
| James Gosper (1834-1834) | |||
| James Gosper (1836-1915) | 21 December 1836 Colo, New South Wales, Australia | 30 April 1915 Meranburn, New South Wales, Australia | Elizabeth Jane Greentree (1836-1926) |
| Ann Gosper (1839-1920) | |||
| Jonathon Gosper (1841-1906) | 1 November 1841 Colo, New South Wales, Australia | 26 October 1906 Upper Colo, New South Wales, Australia | Mary Ann Elizabeth Simmons (1858-1926) |
| Esther Gosper (1844-1917) | |||
| Margaret Gosper (1846-1928) | |||
| Susannah Gosper (1848-1895) | |||
| Mary Ann Gosper (1851-1925) | |||
| Sarah Gosper (1854-1935) | |||
Footnotes (including sources)
| ‡ General |
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| ¶ Death |
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