John Henderson won a cap for England while at Workington Town in 1953 against Wales,[4] and was selected for the 1954 Great Britain Lions tour of Australia and New Zealand, playing in eleven non-Test matches, including the abandoned match against New South Wales.
[1] John Henderson played in Halifax's 2-13 defeat by St. Helens in the 1955–56 Challenge Cup Final during the 1955–56 season at Wembley Stadium, London on Saturday 28 April 1956, having previously missed-out on Workington Town's victory in the 1951–52 Challenge Cup during the 1951-52 season at Wembley Stadium.
in the 1955 Yorkshire Cup Final during the 1955–56 season at Headingley, Leeds on Saturday 22 October 1955, consequently he did not play in Halifax's 7-0 victory over Hull F.C.
in the 1955 Yorkshire Cup Final replay during the 1955–56 season at Odsal Stadium, Bradford on Wednesday 2 November 1955.
John Henderson was transferred from Workington Town to Halifax in 1955 for £2,000 (based on increases in average earnings, this would be approximately £113,900 in 2013).