Caerphilly is a county constituency centred on the town of Caerphilly

Caerphilly

Caerphilly is a town in the county borough of Caerphilly, south Wales, located at the southern end of the Rhymney Valley, with a population of approximately 31,000. It is a commuter town of Cardiff and Newport, which are located some 7.5 miles and 12 miles away, respectively...

 in South Wales

South Wales

South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...

. It returns one Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 (MP) to the House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

 of the Parliament of the United Kingdom

Parliament of the United Kingdom

The Parliament of the United Kingdom of Great Britain and Northern Ireland is the supreme legislative body in the United Kingdom, British Crown dependencies and British overseas territories, located in London...

, elected by the first past the post voting system.

The constituency has always elected Labour

Labour Party (UK)

The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...

 MPs.

Boundaries

The Caerphilly constituency covers roughly the southern and eastern half of Caerphilly district, the part of the district traditionally located in Glamorgan

Glamorgan

Glamorgan or Glamorganshire is one of the thirteen historic counties and a former administrative county of Wales. It was originally an early medieval kingdom of varying boundaries known as Glywysing until taken over by the Normans as a lordship. Glamorgan is latterly represented by the three...

. In the north-west of the constituency are communities such as Hengoed

Hengoed

Hengoed ) is a village on the west side of the Rhymney Valley - between Ystrad Mynach to the South and Cefn Hengoed to the North. Across the valley it looks towards Maesycwmmer...

 and Ystrad Mynach

Ystrad Mynach

Ystrad Mynach is a town in the County Borough of Caerphilly, previously within the ancient traditional county of Glamorgan, Wales, and is 5 miles north of Caerphilly town. It has a population of around 13,500 and stands in the Rhymney Valley . Before the Industrial Revolution and the coming of coal...

, travelling in a southeasterly direction through Caerphilly

Caerphilly

Caerphilly is a town in the county borough of Caerphilly, south Wales, located at the southern end of the Rhymney Valley, with a population of approximately 31,000. It is a commuter town of Cardiff and Newport, which are located some 7.5 miles and 12 miles away, respectively...

 and Llanbradach

Llanbradach

Llanbradach is a village in the Welsh county borough of Caerphilly, within the historic boundaries of Monmouthshire, south Wales less than 3 miles north of the town of Caerphilly....

 to the rural outcrops bordering Cardiff

Cardiff

Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

.

Members of Parliament

Election		Member	Party
	1918 United Kingdom general election, 1918 The United Kingdom general election of 1918 was the first to be held after the Representation of the People Act 1918, which meant it was the first United Kingdom general election in which nearly all adult men and some women could vote. Polling was held on 14 December 1918, although the count did...	Alfred Onions Alfred Onions Alfred Onions was a Welsh Labour Party politician.He was elected as Member of Parliament for Caerphilly at the 1918 general election, but died in office in 1921. His successor was Morgan Jones.-References:...	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	1921	Morgan Jones Morgan Jones (Welsh politician) Morgan Jones was a Welsh Labour Party politician.He was educated at Reading University, and became a teacher by profession. He first entered politics as a Glamorgan County Councillor...	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	1939	Ness Edwards Ness Edwards Onesimus Edwards was a Welsh Labour Party politician.A trade unionist, Ness Edwards was imprisoned in 1917 as a conscientious objector to the conscription of the First World War. He was elected Member of Parliament for Caerphilly at a by-election in 1939 following the death of Labour MP and...	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	1968 Caerphilly by-election, 1968 The Caerphilly by-election of 15 June 1968 was held after the death of Labour MP Ness Edwards:The seat was very safe, having been won by Labour at the United Kingdom general election, 1966 by over 21,000 votes-Candidates:...	Alfred Thomas Evans	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	1979 United Kingdom general election, 1979 The United Kingdom general election of 1979 was held on 3 May 1979 to elect 635 members to the British House of Commons. The Conservative Party, led by Margaret Thatcher ousted the incumbent Labour government of James Callaghan with a parliamentary majority of 43 seats...	Ednyfed Hudson Davies	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	1981		SDP Social Democratic Party (UK) The Social Democratic Party was a political party in the United Kingdom that was created on 26 March 1981 and existed until 1988. It was founded by four senior Labour Party 'moderates', dubbed the 'Gang of Four': Roy Jenkins, David Owen, Bill Rodgers and Shirley Williams...
	1983 United Kingdom general election, 1983 The 1983 United Kingdom general election was held on 9 June 1983. It gave the Conservative Party under Margaret Thatcher the most decisive election victory since that of Labour in 1945...	Ron Davies	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...
	2001 United Kingdom general election, 2001 The United Kingdom general election, 2001 was held on Thursday 7 June 2001 to elect 659 members to the British House of Commons. It was dubbed "the quiet landslide" by the media, as the Labour Party was re-elected with another landslide result and only suffered a net loss of 6 seats...	Wayne David Wayne David Wayne David is a British Labour Party politician, who has been the Member of Parliament for Caerphilly since 2001. He was Parliamentary Under-Secretary of State at the Wales Office from 2008 to 2010...	Labour Labour Party (UK) The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...

Elections in the 2010s

Elections in the 2000s

Elections in the 1990s

Elections in the 1910s

See also

• Caerphilly (Assembly constituency)
• List of Parliamentary constituencies in Gwent