William O'Brien (footballer)
William O'Brien was a Scottish footballer who played for Bournemouth & Boscombe Athletic, Port Vale, and Watford in the 1930s. Playing career. O'Brien played for Glasgow based St. Anthony's before heading to England to play for Bournemouth & Boscombe Athletic. He joined Port Vale in May 1938. He played a mere four Third Division South games for the "Valiants" in the 1938–39 season, scoring one goal in a 2–1 victory over Newport County at The Old Recreation Ground on 29 August. He left the club in April 1939, and later played for Watford. Statistics. Source: William O'Brien (footballer