England

Constituency
Manchester, Platting (1918 - 1950)
Manchester, Rusholme (1918 - 1950)
Manchester, Rusholme (2024)
Manchester South (1885 - 1950)
Manchester South West (1885 - 1918)
Manchester, Withington (1918)
Manchester, Wythenshawe (1950 - 1997)
Mansfield (1885)
Marlborough (1832 - 1885)
Marylebone (1832 - 1885)
Marylebone East (1885 - 1918)
Marylebone West (1885 - 1918)
Medway (1885 - 2010)
Melksham and Devizes (2024)
Melton (1885 - 1983)
Melton and Syston (2024)
Meon Valley (2010 - 2024)
Meriden (1950 - 2024)
Meriden and Solihull East (2024)
Merton and Morden (1950 - 1974)
Merton Mitcham and Morden (1974 - 1983)
Mid Buckinghamshire (2024)
Mid Cheshire (2024)
Middlesbrough (1832 - 1918)
Middlesbrough (1983 - 2024)