[1] Marshall holds the record for most goals, points, assists, hat tricks, and games played in the American Hockey League (AHL), which he achieved over a 20-season career.

Marshall also played with the Toronto Maple Leafs in the National Hockey League for four seasons between 1953 and 1958.

Marshall made his professional debut with the AHL's Pittsburgh Hornets in 1952–53, recording 66 points in 62 games and leading the team to the Calder Cup Finals.

He was the league's all-time leader in games played (1,205), goals (523), assists (852), points (1,375) and hat tricks (25).

[3] The American Hockey League presents the Willie Marshall Award annually in honour of the AHL player who scores the most goals that season.