Ivan Duane Irwin (March 13, 1927 – February 11, 2019) was an American-born Canadian professional ice hockey defenseman who played 155 games in the National Hockey League for the New York Rangers and Montreal Canadiens between 1952 and 1957. The rest of his career, which lasted from 1947 to 1960, was spent in the minor leagues. He was born in Chicago, Illinois and raised in Toronto, Ontario. Irwin died in 2019, aged 91.[1]