Lagan Valley was a single-member county constituency of the Parliament of Northern Ireland

Parliament of Northern Ireland

The Parliament of Northern Ireland was the home rule legislature of Northern Ireland, created under the Government of Ireland Act 1920, which sat from 7 June 1921 to 30 March 1972, when it was suspended...

.

Boundaries and Boundary Changes

Before 1969, the area formed part of the Northern Ireland Parliament constituencies of Mid Down

Mid Down (Northern Ireland Parliament constituency)

Mid Down was a constituency of the Parliament of Northern Ireland.-Boundaries:Mid Down was a county constituency comprising part of northern County Down, immediately south east of Belfast. It was created when the House of Commons Act 1929 introduced first-past-the-post elections throughout...

 and Iveagh

Iveagh (Northern Ireland Parliament constituency)

Iveagh was a constituency of the Parliament of Northern Ireland.-Boundaries:Iveagh was a county constituency comprising part of northern County Down, south west of Belfast. It was created when the House of Commons Act 1929 introduced first-past-the-post elections throughout Northern Ireland...

.

Lagan Valley was created by the Electoral Law Act (Northern Ireland) 1968 as a division of County Down

County Down

-Cities:*Belfast *Newry -Large towns:*Dundonald*Newtownards*Bangor-Medium towns:...

. It was located to the south of Belfast

Belfast

Belfast is the capital of and largest city in Northern Ireland. By population, it is the 14th biggest city in the United Kingdom and second biggest on the island of Ireland . It is the seat of the devolved government and legislative Northern Ireland Assembly...

. The seat included Hillsborough

Hillsborough, County Down

Hillsborough is a village and townland in County Down, Northern Ireland, situated from the city of Belfast. It is within the Lisburn City Council area....

, Drumbo

Drumbo

Drumbo is a small village and townland in County Antrim, Northern Ireland. It lies about south of Belfast city centre, east of Lisburn and west of Carryduff. The 2001 Census recorded the village's population as being 408....

 and Carryduff

Carryduff

Carryduff is a small town and townland in County Down, Northern Ireland, about south of Belfast city centre. It had a population of 6,595 people in the 2001 Census....

 as well as the sprawling rural area of Ballymacbrennan, which are today split between the Lagan Valley

Lagan Valley (UK Parliament constituency)

Lagan Valley is a Parliamentary Constituency in the United Kingdom House of Commons.- Boundaries :The seat was created in 1983, as part of an expansion of Northern Ireland's constituencies from 12 to 17, and was predominantly made up from parts of South Antrim and North Down. In their original...

 and South Belfast

Belfast South (UK Parliament constituency)

Belfast South is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The seat was created in 1922 when, as part of the establishment of the devolved Stormont Parliament for Northern Ireland, the number of MPs in the Westminster Parliament was drastically cut...

 constituencies.

The constituency sent one MP to the House of Commons of Northern Ireland

House of Commons of Northern Ireland

The House of Commons of Northern Ireland was the lower house of the Parliament of Northern Ireland created under the Government of Ireland Act 1920. The upper house in the bicameral parliament was called the Senate. It was abolished with the passing of the Northern Ireland Constitution Act...

 at the Northern Ireland general election, 1969

Northern Ireland general election, 1969

-References:*...

. The Parliament was prorogued on 30 March 1972, under the terms of the Northern Ireland (Temporary Provisions) Act 1972

Northern Ireland (Temporary Provisions) Act 1972

The Northern Ireland Act 1972 was an Act of the Parliament of the United Kingdom that introduced direct rule in Northern Ireland with effect from 30 March 1972....

. It was formally abolished in 1973 when the Northern Ireland Constitution Act 1973

Northern Ireland Constitution Act 1973

The Northern Ireland Constitution Act 1973 was an Act of the Parliament of the United Kingdom which received the Royal Assent on 18 July 1973...

 received Royal Assent

Royal Assent

The granting of royal assent refers to the method by which any constitutional monarch formally approves and promulgates an act of his or her nation's parliament, thus making it a law...

 on 18 July 1973.

The Parliamentary representative of the division was elected using the first-past-the-post

First-past-the-post

First-past-the-post voting refers to an election won by the candidate with the most votes. The winning potato candidate does not necessarily receive an absolute majority of all votes cast.-Overview:...

 system.

Member of Parliament

Year	Member	Party
1969 Northern Ireland general election, 1969 -References:*...	Robert Porter
1972

Porter joined the Alliance Party in June 1972, the Parliament having been suspended in March. As a result he never sat as an Alliance member in the Northern Ireland House of Commons.

Election results

• Parliament prorogued 30 March 1972 and abolished 18 July 1973

External links

• For more information about the Northern Ireland House of Commons, see http://www.election.demon.co.uk/stormont/stormont.html