MPs
- Mr David Llewellyn February 23, 1950 - October 8, 1959
- Mr Donald Box October 8, 1959 - March 31, 1966
- Mr Ted Rowlands March 31, 1966 - June 18, 1970
- Mr Michael Roberts June 18, 1970 - February 28, 1974
- Mr Ian Grist February 28, 1974 - June 9, 1983
- Mr Gwilym Jones June 9, 1983 - May 1, 1997
- Ms Julie Morgan May 1, 1997 - ?