After playing amateur ice hockey with the Saint John Beavers and the Pittsburgh Yellow Jackets, Monson went to the United Kingdom to play professional ice hockey with the Harringay Racers between 1936 and 1940. After World War II, Monson returned to Winnipeg where he coached the Winnipeg Monarchs to the Memorial Cup in 1946. He was inducted into the British Ice Hockey Hall of Fame in 1955.