The second of the six children of Charles George Outen (1856-1929),[2][3] and Bridget Outen, née Cross,[4][5] William Matthew Outen was born at
Williamstown, Victoria on 2 July 1883.
His brother,
Charles Whynam "Wyn" Outen (1880-1964), played for St Klda in the VFL and for Williamstown in the VFA; Wyn played (alongside his brother Matt) in the Willamstown First XVIII team that won the 1907 VFA premiership.
His brother, John Edward "Jack" Outen (1890-1963), played in one First XVIII game for Williamstown (alongside his brother Matt) in 1909.[6]
His brother, Percy Ernest Hatherley Outen (1898-1986), played in 5 First XVIII games for Williamstown in the VFA in 1928.[7][8]
His nephew, Reginald Whynam Outen (1913-1999),[9][10][11] the son of Wyn Outen, was an emergency in Williamstown's 1939 premiership team, after earlier playing with Collingwood and Melbourne Seconds.[12]
His nephew,
Albert Keith "Alby" Outen (1936-2010), the son of Alby Outen, played 2 games with Footscray in 1954 before transferring to Williamstown and playing in their 1955 and 1956 premiership teams.
He married Lucy Elizabeth Guthrie (1869-1940), née Buchanan, the former Mrs. James Hickey Guthrie, in 1917.[13][14]
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.