William Edward Callaghan was the son of Edward and Evelyn Callaghan. He was born about 1921. William Callaghan was serving with 220 Squadron of R.A.F Coastal Command as a member of the aircrew onboard a Hudson II. On the evening of 27th December 1940, the aircraft ran out of fuel whilst returning to base. The crew abandoned the aircraft by parachute two to three miles from the coast. Sergeant Callaghan was one of two men to be lost at sea. He was 19 years old.