The son of John Andrew Hosking (1860-1936),[2] and Sarah Letitia Hosking (1863-1928), née Pearson,[3][4] Thornton Randall Philip Hosking was born at Albert Park, Victoria on 4 May 1894.
Two of his brothers, Albert Jeffrey Hosking (1885-1953),[5] and John Bruce "Jack" Hosking (1898-1917),[6] also served in the AIF. Jack died of the wounds he received in action, in France, on 22 July 1917.
He married Ettie Ruby Meade Menere (1891-1956), later Mrs. Bruce Duane, on 13 August 1913. They had one son. Following a divorce, he married Mona Gwenn Bromley Lloyd (1903-1984), later Mrs. Charles Trevor Turner, in 1939.
The Australian Training Units Team: 28 October 1916.[7] Phil Hosking is the third man (second player) from the left, in the back row.
Holmesby, Russell; Main, Jim (2014). The Encyclopedia of AFL Footballers: every AFL/VFL player since 1897 (10th ed.). Seaford, Victoria: BAS Publishing. ISBN978-1-921496-32-5.