Right winger Irv McGibbon starred for his hometown Antigonish Bulldogs of the NSAPC for three years in the mid 1930's before being lured to Sydney to play for the Millionaires of the CBSHL. In 1939 the team played in the Allan Cup, which was eventually won by Port Arthur, Ontario.
McGibbon played two years with Glace Bay in 1939 and 1940 before heading east in 1941-42, wearing the sweater of both the Montreal Sr. Canadiens of the QSHL and the Washington Lions of the AHL.
In 1942-43, McGibbon became a member of the NHL's One Game Wonder Club, lacing up the blades with the Montreal Canadiens. Among the big names on that Montreal team included; Toe Blake, Elmer Lach, Gordie Drillon and an 18-year old named Maurice Richard.
McGibbon was absent from hockey for two years in 1943 and 1944 during the height of World War Two. He returned to competition in the fall of 1945, spending a year with the Pictou Royals, who played in the 1946 Allan Cup, won that year by the Calgary Stampeders.
McGibbon returned to eastern Canada and played the final three years of his hockey career with the Antigonish Bulldogs and coached the club for one year in 1949-50.