Career
McGowan, a half-back, joined Easts Juniors in 1911 as a 20-year-old. He then joined the South Sydney Rabbitohs for three seasons between 1916-1918. George McGowan played in the 1916 Premiership Final for Souths.
McGowan finished his Rugby League career at the Western Suburbs Magpies, where he played three seasons: 1919, 1920 and 1922.
He coached the Young, New South Wales Rugby League team in 1925. A long time resident of Macquarie Fields, New South Wales, he died there on 8 March 1970, age 79.