Biography
Owen Cavanough was born 19 June 1799 in Pitt Town, New South Wales, Australia to Owen Cavanough (1762-1841) and Margaret Dowling (1766-1834) and died 26 July 1885 Portland Head, New South Wales, Australia of unspecified causes. He married Celia Collins (1810-1890) 17 November 1824 St Matthews in Windsor, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| James Thomas Cavanough (1828-1830) | |||
| Margaret Ann Cavanough (1831-1917) | |||
| Matilda Rebecca Cavanough (1832-1909) | 3 November 1832 Sackville Reach, New South Wales, Australia | 4 December 1909 Windsor, New South Wales, Australia | Thomas Everingham (1827-1916) |
| Elizabeth Celia Cavanough (1834-1906) | |||
| Esther Cavanough (1837-1917) | |||
| Owen Cavanough (1839-1893) | |||
| Charlotte Cavanough (1841-?) | |||
| Sophia Jane Cavanough (1843-1853) | |||
| Frances Lenora Cavanough (1846-1904) | 12 January 1846 Windsor, New South Wales, Australia | 10 January 1904 Windsor, New South Wales, Australia | Edward Henry Mitchell (1847-1926) |
| Grace Cavanough (1849-1928) | 13 July 1849 Windsor, New South Wales, Australia | 25 January 1928 Chatswood, New South Wales, Australia | William John Chapman (1845-1919) |
| Emma Cavanough (1851-1887) | |||