Aubrey Duckworth MacKenzie (November 1894 – 15 July 1933) was an Australian rules football

Australian rules football

Australian rules football, officially known as Australian football, also called football, Aussie rules or footy is a sport played between two teams of 22 players on either...

er who played with Melbourne

Melbourne Football Club

The Melbourne Football Club, nicknamed The Demons, is an Australian rules football club playing in the Australian Football League , based in Melbourne, Victoria....

 and St Kilda in the Victorian Football League

Australian Football League

The Australian Football League is both the governing body and the major professional competition in the sport of Australian rules football...

 (VFL).

A Brunswick junior, MacKenzie appeared twice for Melbourne in the 1914 VFL season

1914 VFL season

Results and statistics for the Victorian Football League season of 1914.-Premiership season:In 1914, the VFL competition consisted of ten teams of 18 on-the-field players each, with no "reserves", although any of the 18 players who had left the playing field for any reason could later resume their...

 before enlisting in the armed forces and serving during the war.

MacKenzie was a member of Footscray

Western Bulldogs

The Western Bulldogs are an Australian rules football club which plays in the Australian Football League . The club is based at the Whitten Oval in West Footscray, an inner-western suburb of Melbourne...

's 1919 and 1920 Victorian Football Association

Victorian Football League

The Victorian Football League which evolved from the former Victorian Football Association , taking its new name as from the 1996 season, is the premier Australian rules football league in Victoria The Victorian Football League (VFL) which evolved from the former Victorian Football Association...

 premiership sides when he returned from the war and signed with St Kilda for the 1922 season. The South African born ruckman

Ruckman (Australian rules football position)

In Australian rules football, a ruckman is typically a tall and athletic player who contests at centre bounces and stoppages . The ruckman is one of the most important players on the field...

spent three years with St Kilda and helped turn a struggling outfit into a winning team.

MacKenzie died on 15 July 1933 in a motor accident. He was survived by his wife, Lillian, and his two children, Audrey and Maxie.