Ambrose Hilton Vivian Gainey was born 20 September 1851 in Maitland, New South Wales, Australia to Humphrey Sylvester Gainey (1810-1894) and Mary Thorpe (c1826-1879) and died 6 January 1923 Warialda, New South Wales, Australia of unspecified causes. He married Annie Susan Griffin (1862-1936) 9 January 1879 in Tamworth, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Mary Beatrice Gainey (1879-1953) | 30 August 1879 Carroll, New South Wales, Australia | 14 September 1953 Cessnock, New South Wales, Australia | Alfred Ernest William Vidler (1876-1924) |
| Hilton William Ambrose Gainey (1882-1927) | 22 March 1882 Carroll, New South Wales, Australia | 30 April 1927 Warialda, New South Wales, Australia | Elizabeth Agnes Jane Gilligan (1883-1935) |
| Herbert Edwin Hill Gainey (1884-1943) | 1884 Gunnedah, New South Wales, Australia | 21 December 1943 Goondiwindi, Queensland, Australia | Ethel Ellen Troth (1886-1981) |
| Annie Agnes Gainey (1886-1966) | |||
| Ida May Gainey (1888-1940) | |||
| Minnie Isabel Gainey (1892-1950) | |||
| Oswald Edgar Spence Gainey (1894-1972) | |||
| Gordon Gabrielle Gladstone Gainey (1898-1968) | |||