James Ellem was born 21 August 1838 in Mangrove Creek, New South Wales, Australia to Richard Ellem (c1800-1857) and Charlotte Huxley (1802-1885) and died 14 June 1907 Clarence River, New South Wales, Australia of unspecified causes. He married Mary Ann Perkins (1838-1921) 10 December 1860 in Wollombi, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Louisa Ellem (1861-1948) | 16 October 1861 Gosford, New South Wales, Australia | 5 November 1948 5 Tulloch Ave, Concord West, New South Wales, Australia | Henry Sneesby (1861-1914) |
| William Henry Ellem (1863-1950) | 2 September 1863 Wollombi, New South Wales, Australia | 4 June 1950 Grafton, New South Wales, Australia | Jessie Brown (1867-1948) |
| Alice Adelaide Ellem (1865-1933) | 5 December 1865 Cedar Creek, Wollombi, New South Wales, Australia | 14 August 1933 Casino, New South Wales, Australia | Abraham David Brown (1861-1925) |
| Rachel Ellem (1867-1868) | |||
| Walter Edward Ellem (1871-1944) | |||
| Arthur Charles Ellem (1875-1970) | |||
| Elizabeth Amelia Ellem (1878-1962) | |||
| Thomas James Ellem (1881-1953) | |||
Footnotes (including sources)
| ‡ General |