List of Social Democratic Party (UK) MPs

This is a list of Social Democratic Party MPs. It includes all members of Parliament elected to the British House of Commons representing the Social Democratic Party. Members of the European Parliament are not listed.

Bruce Douglas-Mann, Labour Party MP for Mitcham and Morden, is not included as immediately on his change of allegiance he stood down, forcing a by-election, which he lost.

Member	Constituency	Years served
Rosie Barnes	Greenwich	1987 – 1988 ¹
Tom Bradley	Leicester East	1981 – 1983 ²
Christopher Brocklebank-Fowler	North West Norfolk	1981 – 1983 ³
Ronald Brown	Hackney South and Shoreditch	1981 – 1983 ²
John Cartwright	Woolwich East	1981 – 1983 ²
John Cartwright	Woolwich	1983 – 1988 ¹
Richard Crawshaw	Liverpool Toxteth	1981 – 1983 ²
George Cunningham	Islington South and Finsbury	1981 – 1983 ²
Ednyfed Hudson Davies	Caerphilly	1981 – 1983 ²
James Dunn	Liverpool Kirkdale	1981 – 1983 ²
Tom Ellis	Wrexham	1981 – 1983 ²
David Ginsburg	Dewsbury	1981 – 1983 ²
John Grant	Islington Central	1981 – 1983 ²
Mike Hancock	Portsmouth South	1984 – 1987 ⁴
John Horam	Gateshead West	1981 – 1983 ^{2, 5}
Roy Jenkins	Glasgow Hillhead	1982 – 1987 ⁶
Charles Kennedy	Ross, Cromarty and Skye	1983 – 1988 ⁷
Edward Lyons	Bradford West	1981 – 1983 ²
Dickson Mabon	Greenock and Port Glasgow	1981 – 1983 ²
Robert Maclennan	Caithness and Sutherland	1981 ––1988 ^{2, 7}
Bryan Magee	Leyton	1982 – 1983 ²
Thomas McNally	Stockport South	1981 – 1983 ²
Bob Mitchell	Southampton Itchen	1981 – 1983 ²
Michael O'Halloran	Islington North	1981 –1983 ^{2, 8}
Eric Ogden	Liverpool West Derby	1981 – 1983 ²
David Owen	Plymouth Devonport	1981 – 1988 ^{1, 2}
William Rodgers	Stockton-on-Tees	1981 – 1983 ²
John Roper	Farnworth	1981 – 1983 ²
Neville Sandelson	Hayes and Harlington	1981 – 1983 ²
Jeffrey Thomas	Abertillery	1981 – 1983 ²
Mike Thomas	Newcastle upon Tyne East	1981 – 1983 ²
James Wellbeloved	Erith and Crayford	1981 – 1983 ²
Shirley Williams	Crosby	1981 – 1983 ⁶
Ian Wrigglesworth	Thornaby	1981 – 1983
Ian Wrigglesworth	Stockton South	1983 – 1987 ²

¹ Joined David Owen's Social Democratic Party in 1988, then became an Independent Social Democrat MP from 1990 - 92.

² Sitting Labour Party MP who joined the SDP.

³ Sitting Conservative Party MP who joined the SDP.

⁴ Later elected as a Liberal Democrat MP.

⁵ Later elected as a Conservative MP.

⁶ Previously elected as a Labour MP.

⁷ Joined the Liberal Democrats on their formation in 1988.

⁸ Subsequently left the SDP to sit as an independent Labour MP.

Graphical representation (1981-88)

Also includes the continuing SDP from 1988.

Constituency	1981	81	82	83	1983	84	87	1987	88
Plymouth Devonport	Owen
Woolwich East / Woolwich (1983)	Cartwright
Caithness and Sutherland	Maclennan
Thornaby / Stockton South (1983)	Wrigglesworth
Greenock & Port Glasgow	Mabon
Stockport South	McNally
Gateshead West	Horam
Stockton-on-Tees	Rodgers
Southampton Itchen	Mitchell
Farnworth	Roper
Liverpool Kirkdale	Dunn
Liverpool Toxteth	Crawshaw
Liverpool West Derby	Ogden
Leicester East	Bradley
Hayes and Harlington	Sandelson
Hackney S & Shoreditch	Brown
Islington Central	Grant
Erith and Crayford	Wellbeloved
North West Norfolk	Brocklebank-Fowler
Newcastle upon Tyne East	M. Thomas
Bradford W	Lyons
Dewsbury	Ginsburg
Wrexham	Ellis
Abertillery	J. Thomas
Caerphilly	Davies
Islington North	O'Halloran
Crosby		Williams
Islington S & Finsbury			Cunningham
Leyton			Magee
Glasgow Hillhead			Jenkins
Ross, Cromarty and Skye					Kennedy
Portsmouth South						Hancock
Greenwich							Barnes
Constituency	1981	81	82	83	1983	84	87	1987	88
No. of SDP MPs	26	27	30	29	6	7	8	5	3