by-election A by-election, also known as a special election in the United States and the Philippines, or a bypoll in India, is an election used to fill an office that has become vacant between general elections. A vacancy may arise as a result of an incumben ...

for the

Welsh Assembly The Senedd ( ; ), officially known as the Welsh Parliament in English and () in Welsh, is the devolved, unicameral legislature of Wales. A democratically elected body, Its role is to scrutinise the Welsh Government and legislate on devolve ...

constituency An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...

of Ynys Môn was held on 1 August 2013, The by-election was triggered following the resignation on 20 June 2013 of its sitting Assembly Member,

Ieuan Wyn Jones Ieuan Wyn Jones (born 22 May 1949) is a Welsh politician who was the Deputy First Minister in the Welsh Government from 2007 to 2011. He was the Member of the National Assembly for Wales for the Ynys Môn constituency from 1999 to 2013, and ...

. The election was the third Assembly by-election to be held since its formation in 1999, and the first for over seven years (the previous contest being at

Blaenau Gwent Blaenau Gwent (; ) is a Principal areas of Wales, county borough in the South East Wales, south-east of Wales. It borders the Local government in Wales, unitary authority areas of Monmouthshire and Torfaen to the east, Caerphilly County Borough ...

in June 2006). Prior to the by-election, the governing Labour Party held exactly half the Assembly seats, meaning a gain for that party (who have held the equivalent

seat A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e " seat (legal entity)"). See disambiguation. Types of seat The ...

in the

House of Commons The House of Commons is the name for the elected lower house of the Bicameralism, bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of ...

since

2001 The year's most prominent event was the September 11 attacks against the United States by al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror. The United States led a Participan ...

) would have given the Welsh government a two-seat majority.

Election

Six candidates were nominated for the election.

Result

Plaid Cymru held the seat with a greatly increased majority.

Previous result

References

{{DEFAULTSORT:Ynys Mon by-election, 2013 By-elections to the Senedd 2013 elections in the United Kingdom 2013 in Wales 2010s elections in Wales History of Anglesey Politics of Anglesey August 2013 in the United Kingdom