This is a list of Plaid Cymru MPs . It includes all members of Parliament elected to the British House of Commons representing Plaid Cymru . Members of the Senedd or the European Parliament are not listed.
Name
Constituency
Served from
Served to
Term length
Days
Dafydd Wigley
Caernarfon
28 February 1974
7 June 2001
27 years, 99 days
9,961
Hywel Williams
Caernarfon then Arfon
8 June 2001
30 May 2024
22 years, 357 days
8,392
Elfyn Llwyd
Meirionnydd Nant Conwy then Dwyfor Meirionnydd
9 April 1992
30 March 2015
22 years, 355 days
8,390
Dafydd Elis-Thomas
Meirionnydd then Meirionnydd Nant Conwy
28 February 1974
9 April 1992
18 years, 41 days
6,615
Ieuan Wyn Jones
Ynys Môn
11 June 1987
7 June 2001
13 years, 361 days
5,110
Jonathan Edwards
Carmarthen East and Dinefwr
6 May 2010
22 May 2020[n 1]
10 years, 16 days
3,669
Liz Saville Roberts
Dwyfor Meirionnydd
8 May 2015
present
9 years, 76 days
3,364
Adam Price
Carmarthen East and Dinefwr
8 June 2001
12 April 2010
8 years, 308 days
3,230
Gwynfor Evans
Carmarthen
14 July 1966
18 June 1970
8 years 5 months 27 days
3,101
10 October 1974
3 May 1979
Cynog Dafis
Ceredigion and Pembroke North then Ceredigion
9 April 1992
8 January 2000
7 years, 274 days
2,830
Ben Lake
Ceredigion
9 June 2017
present
7 years, 44 days
2,601
Simon Thomas
Ceredigion
3 February 2000
5 May 2005
5 years, 91 days
1,918
Ann Davies
Caerfyrddin
4 July 2024
present
19 days
19
Llinos Medi
Ynys Môn
4 July 2024
present
19 days
19
Dates are taken from a House of Commons Library Briefing.[1] Following a rule change that came into force at the 2005 general election MPs who were defeated (eg Simon Thomas) are shown as serving up to and including the day of the election at which they were defeated. MPs who voluntarily stood down (eg Elfyn Llwyd) are shown as serving up until the day of dissolution of their final Parliament.
Tabular representation [ edit ] Specific
^ Whip suspended. Edwards rejoined on 10 August 2022 and left again on 13 August 2022
Leaders Senedd Group Leadersparty leader since 2006 Presidentsparty leader pre-2003 abolished 2013 Vice-Presidentsabolished 2013 Chairs Honorary Presidents Leadership elections
Organisation
History Founders
Byddin Ymreolwyr Cymru (Welsh Home Rule Army)Y Mudiad Cymreig (Welsh Movement)Others
Related organisations International affiliations