Career
Behan signed for Manchester United in September 1933, along with fellow Irishman David Byrne - they were the first players from the south of Ireland to play for the club in over a decade. He made his United debut in an English Second Division home game against Bury on 3 March 1934. The following July, he briefly returned to Shelbourne before again returning to Rovers.
After his retirement as a player he became a respected referee and was in charge of the 1943 FAI Cup Final.
Behan subsequently became United"s chief scout in the Republic of Ireland and is credited with discovering, among others, Johnny Carey, Liam Whelan, Tony Dunne, Don Givens, Kevin Moran and Paul McGrath. He also served as vice chairman of the Dalkey-based Leinster Senior League team, Dalkey United and it was through this association that he discovered McGrath.
Billy"s grandson Philip Behan is the former Head of International Football at the Football Association of Ireland and is now a Union of European Football Associations and Fédération internationale de football association Agent organising friendly international matches and tournaments around the world. Billy died in November 1991 at the age of 80.
As a player As a manager.