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Ynys Môn — UK General Election Results

Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30

Ynys Môn was won by Plaid Cymru at the 2024 general election, with a majority of 637 votes over Conservative. This page covers every general election in Ynys Môn from 1983 to 2024.

Full Election History, 1983–2024

Election Elected Votes Vote Share Runner-up Majority Turnout
1983 Keith Best (Conservative) 15,017 37.5% Ieuan Jones (Plaid Cymru) 1,684 (4.2 pts) 79.6%
1987 Ieuan Jones (Plaid Cymru) 18,580 43.2% Roger Evans (Conservative) 4,298 (10.0 pts) 81.7%
1992 Ieuan Wyn Jones (Plaid Cymru) 15,984 37.1% Gwynn Rowlands (Conservative) 1,106 (2.6 pts) 80.6%
1997 Ieuan Jones (Plaid Cymru) 15,756 39.5% Owen Edwards (Labour) 2,481 (6.2 pts) 75.4%
2001 Albert Owen (Labour) 11,906 35.0% Eilian Williams (Plaid Cymru) 800 (2.4 pts) 64.0%
2005 Albert Owen (Labour) 12,278 34.6% Eurig Wyn (Plaid Cymru) 1,242 (3.5 pts) 67.5%
2010 Albert Owen (Labour) 11,490 33.4% Dylan Rees (Plaid Cymru) 2,461 (7.1 pts) 68.9%
2015 Albert Owen (Labour) 10,871 31.1% John Rowlands (Plaid Cymru) 229 (0.7 pts) 70.1%
2017 Albert Owen (Labour) 15,643 41.9% Tomos Davies (Conservative) 5,259 (14.1 pts) 70.7%
2019 Virginia Crosbie (Conservative) 12,959 35.5% Mary Roberts (Labour) 1,968 (5.4 pts) 70.6%
2024 Llinos Medi (Plaid Cymru) 10,590 32.5% Virginia Crosbie (Conservative) 637 (1.9 pts) 61.5%

Full Result Breakdown by Election

1983

CandidatePartyVotesShareElected
Keith Best Conservative 15,01737.5% Yes
Ieuan Jones Plaid Cymru 13,33333.3% No
Tudor Williams Labour 6,79116.9% No
David Thomas Social Democratic Party 4,94712.3% No

1987

CandidatePartyVotesShareElected
Ieuan Jones Plaid Cymru 18,58043.2% Yes
Roger Evans Conservative 14,28233.2% No
Colin Parry Labour 7,25516.9% No
Ieuan Evans Social Democratic Party 2,8636.7% No

1992

CandidatePartyVotesShareElected
Ieuan Wyn Jones Plaid Cymru 15,98437.1% Yes
Gwynn Rowlands Conservative 14,87834.6% No
Dr Robin Jones Labour 10,12623.5% No
Pauline Badger Liberal Democrat 1,8914.4% No
Susan Parry Natural Law 1820.4% No

1997

CandidatePartyVotesShareElected
Ieuan Jones Plaid Cymru 15,75639.5% Yes
Owen Edwards Labour 13,27533.2% No
Gwilym Owen Conservative 8,56921.5% No
Deric Burnham Liberal Democrat 1,5373.8% No
Hugh Gray-Morris Referendum Party 7932.0% No

2001

CandidatePartyVotesShareElected
Albert Owen Labour 11,90635.0% Yes
Eilian Williams Plaid Cymru 11,10632.6% No
Albie Fox Conservative 7,65322.5% No
Nicholas Bennett Liberal Democrat 2,7728.1% No
Francis Wykes UKIP 3591.1% No
Nona Donald Independent 2220.7% No

2005

CandidatePartyVotesShareElected
Albert Owen Labour 12,27834.6% Yes
Eurig Wyn Plaid Cymru 11,03631.1% No
Peter Rogers Independent 5,21614.7% No
James Roach Conservative 3,91511.0% No
Sarah Green Liberal Democrat 2,4186.8% No
Elaine Gill UKIP 3671.0% No
Tim Evans Legalise Cannabis 2320.7% No

2010

CandidatePartyVotesShareElected
Albert Owen Labour 11,49033.4% Yes
Dylan Rees Plaid Cymru 9,02926.2% No
Anthony Ridge-Newman Conservative 7,74422.5% No
Matt Wood Liberal Democrat 2,5927.5% No
Peter Rogers Independent 2,2256.5% No
Elaine Gill UKIP 1,2013.5% No
David Owen Christian Party, Proclaiming Christ's Lordship 1630.5% No

2015

CandidatePartyVotesShareElected
Albert Owen Labour 10,87131.1% Yes
John Rowlands Plaid Cymru 10,64230.5% No
Michelle Willis Conservative 7,39321.2% No
Nathan Gill UKIP 5,12114.7% No
Mark Rosenthal Liberal Democrat 7512.2% No
Liz Screen Socialist Labour 1480.4% No

2017

CandidatePartyVotesShareElected
Albert Owen Labour 15,64341.9% Yes
Tomos Davies Conservative 10,38427.8% No
Ieuan Wyn Jones Plaid Cymru 10,23727.4% No
James Turner UKIP 6241.7% No
Sarah Jackson Liberal Democrat 4791.3% No

2019

CandidatePartyVotesShareElected
Virginia Crosbie Conservative 12,95935.5% Yes
Mary Roberts Labour 10,99130.1% No
Aled ap Dafydd Plaid Cymru 10,41828.5% No
Helen Jenner Brexit Party 2,1846.0% No

2024

CandidatePartyVotesShareElected
Llinos Medi Plaid Cymru 10,59032.5% Yes
Virginia Crosbie Conservative 9,95330.5% No
Ieuan Williams Labour 7,61923.4% No
Emmett Jenner Reform UK 3,2239.9% No
Martin Schwaller Green 6041.9% No
Leena Farhat Liberal Democrat 4391.3% No
Sir Grumpus L Shorticus Monster Raving Loony Party 1560.5% No
Sam Wood Libertarian Party 440.1% No

Margin Over Time

Winning margin (percentage points) at each election, coloured by the winning party.

1983: Conservative margin 4.2 pts 1987: Plaid Cymru margin 10.0 pts 1992: Plaid Cymru margin 2.6 pts 1997: Plaid Cymru margin 6.2 pts 2001: Labour margin 2.4 pts 2005: Labour margin 3.5 pts 2010: Labour margin 7.1 pts 2015: Labour margin 0.7 pts 2017: Labour margin 14.1 pts 2019: Conservative margin 5.4 pts 2024: Plaid Cymru margin 1.9 pts 1983 1987 1992 1997 2001 2005 2010 2015 2017 2019 2024

Trend

Ynys Môn has been contested at 11 general elections on record since 1983. Parties that have won a seat here over that span: Conservative, Plaid Cymru, Labour.

Frequently Asked Questions

Who won Ynys Môn in the 2024 general election?

Plaid Cymru won Ynys Môn in 2024 with 10,590 votes (32.5%), a majority of 637 votes over Conservative in second place.

Which parties have won Ynys Môn since 1983?

Since 1983, Ynys Môn has been won by: Conservative, Labour, Plaid Cymru.

What was the closest result in Ynys Môn?

The closest result on record for Ynys Môn was 2015, when Labour beat Plaid Cymru by just 229 votes (0.7 percentage points).

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