Frederick James Gill was born 1860 in Jones Island, New South Wales, Australia to William Gill (1822-1897) and Rosena Ellen Delma Shoesmith (1834-1874) and died 31 August 1926 Frederickton, New South Wales, Australia of unspecified causes. He married Mary Clementine Robinson (1858-1929) 1881 in Macleay River, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Ivy Ann Rosena Gill (1883-1966) | 9 March 1883 Gladstone, New South Wales, Australia | 11 June 1966 St Leonards, New South Wales, Australia | George Archer Jeffries (1880-1966) |
| Maria Margaret Gill (1886-1944) | |||
| Vera Grace Gill (1891-?) | |||
| Effie Isobel Gill (1892-1960) | |||