MPs
- Mr Thomas Cook February 23, 1950 - May 31, 1952
- Mr George Thomson July 17, 1952 - December 29, 1972
- Mr George Machin March 1, 1973 - February 28, 1974
- Mr Gordon Wilson February 28, 1974 - June 11, 1987
- Mr John McAllion June 11, 1987 - June 7, 2001
- Mr Iain Luke June 7, 2001 - May 5, 2005
- Mr Stewart Hosie May 5, 2005 - ?