MPs
- Mr John Lewis December 14, 1918 - November 15, 1922
- Mr Thomas Lewis November 15, 1922 - July 18, 1923
- Mr George Davies December 6, 1923 - October 29, 1924
- Mr Ernest Evans October 29, 1924 - 1943
- Professor William Gruffydd January 29, 1943 - February 23, 1950