Career
Williamson, who played his football mostly on the ball or in defence, started his career at West Torrens. Despite only spending a year at the club, Williamson held the position of vice captain. Back in South Australia, Williamson played with West Torrens for three further seasons.
He represented South Australia in four interstate fixtures during his career.
He was one of many football players who served his country in World World War World War II During World World War II he was assigned to Darwin, North.T.
In family history his middle name is down as "Selan" rather than Allan. He lived in Jetty Street (33/31), Grange, South Australia.
They had no children together. He died 19 July 1965.
