 Mulraney was only able to play one full league season for Ipswich before the Second World War intervened.He scored their first ever away goal in the Football League, the only goal of the game at Walsall in August 1938, and their first ever Football League hat-trick, in the 4–0 win over Bristol City on 8 April 1939.Mulraney served in the Royal Air Force during the war as a PT Instructor, reaching the rank of Flight Sergeant.