List of parliamentary constituencies in Northern Ireland

Northern Ireland is divided into 18 Parliamentary constituencies - 4 borough constituencies in Belfast and 14 county constituencies elsewhere. Each area returns one Member of Parliament (MP) to the House of Commons at Westminster and six Members of the Legislative Assembly (MLAs) to the devolved Northern Ireland Assembly at Stormont. (Section 33 of the Northern Ireland Act 1998 provides that the constituencies for the Northern Ireland Assembly are the same as the constituencies that are used for the United Kingdom Parliament.[1]) Parliamentary constituencies are not used for local government, which is instead carried out by 11 district councils; these often have different boundaries.

NameCurrent boundariesName
  1. Belfast East
  2. Belfast North
  3. Belfast South
  4. Belfast West
  5. East Antrim
  6. East Londonderry
  7. Fermanagh & South Tyrone
  8. Foyle
  9. Lagan Valley
  1. Mid Ulster
  2. Newry & Armagh
  3. North Antrim
  4. North Down
  5. South Antrim
  6. South Down
  7. Strangford
  8. Upper Bann
  9. West Tyrone

2015 General Election

  Democratic Unionist   Sinn Féin   Social Democratic and Labour   Ulster Unionist   Alliance Party   Traditional Unionist Voice   Independent   People Before Profit
The data in this table is from the BBC Election Website.
Full official results for the 2015 General Election in Northern Ireland can be found on the website of the Electoral Office of Northern Ireland. [2]

Name[nb 1] Electorate Majority[nb 2] Member of Parliament Nearest opposition Map
Belfast East BC 2,597 Gavin Robinson Naomi Long
A very small constituency, located in the east of the country.
Belfast North BC 5,326 Nigel Dodds Gerry Kelly
A very small constituency, located in the east of the country
Belfast South BC 906 Alasdair McDonnell Jonathan Bell
A very small constituency, located in the East of the country.
Belfast West BC 12,365 Paul Maskey Gerry Carroll
A very small constituency, located in the East of the country.
East Antrim CC 5,795 Sammy Wilson Roy Beggs, Jr.
A medium-sized constituency, located in the East of the country.
East Londonderry CC 7,804 Gregory Campbell Caoimhe Archibald
A fairly large constituency, located in the north of the country.
Fermanagh & South Tyrone CC 530 Tom Elliott Michelle Gildernew
A very large constituency, comprising the southwest area of the country.
Foyle CC 6,046 Mark Durkan Gearóid Ó Heára
A medium-sized constituency found in the south east of the county.
Lagan Valley CC 13,000 Jeffrey Donaldson Alexander Redpath
A medium constituency located inland, in the southeast of the country.
Mid Ulster CC 13,617 Francie Molloy Sandra Overend
A medium constituency, located slightly to the north and west of the centre of the country.
Newry & Armagh CC 4,176 Mickey Brady Danny Kennedy
A medium constituency in the south of the country.
North Antrim CC 11,546 Ian Paisley, Jr. Timothy Gaston
A large constituency in the north of the county.
North Down CC 9,202 Sylvia Hermon Alex Easton
A medium-sized constituency found in the south east of the county.
South Antrim CC 949 Danny Kinahan William McCrea
A medium constituency located in the extreme south west of the county.
South Down CC 5,891 Margaret Ritchie Chris Hazzard
A medium constituency located in the centre of the county. Due to the elongated shape of the county, no constituencies border it to the north or the south despite its central location.
Strangford CC 10,185 Jim Shannon Robert Burgess
A small constituency. It is situated in the south west of the county, although it borders another constituency located further south west.
Upper Bann CC 2,264 David Simpson Jo-Anne Dobson
A large constituency in the north of the county.
West Tyrone CC 10,060 Pat Doherty Tom Buchanan
A medium-sized constituency found in the south east of the county.
Constituency Unionist vote Republican/Nationalist vote Neutral/Other vote
North Down 83.2 1.8 14.9
Strangford 76.7 9.5 13.8
Lagan Valley 74.9 9.2 15.8
North Antrim 75.2 19.3 5.6
South Antrim 69.1 21.1 9.8
East Antrim 73.1 11.8 15.0
Upper Bann 61.0 33.6 5.5
East Londonderry 58.8 32.1 9.1
Belfast North 47.0 42.1 10.8
Belfast East 52.1 2.4 45.5
Belfast West 13.2 64.0 22.7
Belfast South 37.7 38.4 23.8
Foyle 18.3 79.5 2.3
South Down 25.3 70.8 3.8
Fermanagh & South Tyrone 46.4 50.8 2.8
Mid Ulster 35.8 61.1 3.1
West Tyrone 34.2 60.2 5.6
Newry & Armagh 33.1 65.2 1.7

Historical representation by party

Where a cell is marked --> (with a different colour background to the preceding cell) it indicates that the previous MP continued to sit under a new party name.

1885 to 1918

Constituency 1885 86 1886 87 89 90 91 92 1892 1895 96 98 99 00 1900 02 03 05 1906 06 07 08 09 Jan 1910 10 Dec 1910 11 13 14 15 16 17 18
Belfast East de Cobain Wolff McMordie Sharman-Crawford
Belfast North Ewart Harland Haslett Dixon Clark Thompson
Belfast South Johnston Sloan Chambers Lindsay
East Antrim J. McCalmont --> R. McCalmont
Mid Antrim R. O'Neill --> A. O'Neill H. O'Neill
North Antrim Macnaghten --> Lewis Connor H. McCalmont Moore Glendinning Kerr-Smiley
South Antrim Ellison-Macartney --> Craig
N Londonderry Mulholland Atkinson Barrie
Mid Armagh McKane Corry Barton Lonsdale Lonsdale
N Armagh Saunderson --> Moore Allen
East Down Ker --> Rentoul Wood Craig
North Down Waring --> Blakiston-Houston Corbett Mitchell-Thomson
West Down A. W. Hill --> A. Hill Liddell AW Hill MacCaw
N Tyrone E. Hamilton F. Hamilton Hemphill Dodd Barry Russell
S Londonderry Healy Lea Gordon Henry
South Tyrone O'Brien Russell --> --> Horner Coote
N Fermanagh Redmond Dane Archdale Mitchell Fetherstonhaugh Archdale
L'derry City Lewis J. McCarthy Ross Knox Moore Hamilton Hogg Dougherty
Belfast West Haslett Sexton --> Arnold-Forster Devlin
Mid Tyrone Kenny --> Murnaghan --> Brunskill McGhee
East Tyrone Reynolds --> Doogan --> Kettle Redmond Harbison
S Armagh Blane McHugh J. Campbell McKillop O'Neill Donnelly
Newry J. H. McCarthy Carvill --> Mooney
South Down Small McCartan --> --> McVeagh
S Fermanagh H. Campbell McGilligan Jordan --> Crumley

1918 to 1922

Constituency 1918 19 21 22 22
Antrim East McCalmont Hanna
Antrim Mid O'Neill
Antrim North Kerr-Smiley
Antrim South Craig
Armagh Mid Lonsdale Armstrong
Armagh North Allen
Belfast Cromac Lindsay
Belfast Duncairn Carson McConnell
Belfast Ormeau Moles
Belfast Pottinger Dixon
Belfast Shankill McGuffin
Belfast St Anne's Burn
Belfast Victoria Donald
Belfast Woodvale Lynn
Down East Reid
Down Mid Craig Sharman-Crawford
Down North Brown Wilson Simms
Down West Wilson Wallace Hayes
Fermanagh North Archdale
Londonderry North Anderson Barrie Macnaghten
Londonderry South Henry Chichester Pain
Tyrone South Coote
Armagh South Donnelly
Belfast Falls Devlin
Down South McVeagh
Tyrone North-East Harbison
Fermanagh South O'Μahony
Londonderry City MacNeill
Tyrone North-West Griffith

1922 to 1950

Constituency 1922 1923 1924 29 1929 31 1931 34 1935 38 39 40 43 43 1945 46 48 49

(Two members)

Craig McConnell Campbell Haughton
Armagh Allen Harden
Belfast East Dixon Harland Cole
Belfast North McConnell Somerset Neill
Belfast South Moles Stewart --> Gage

(Two members)

Reid Little --> Mullan
Simms Vane-Tempest-Stewart Smiles
Londonderry Macnaghten Ross
Queen's University of Belfast Whitla Sinclair Savory
Belfast West Lynn Allen --> Browne Beattie --> --> -->
Fermanagh and Tyrone

(Two members)

Harbison Pringle Harbison Healy Cunningham
Healy Falls Devlin Stewart Mulvey

1950 to 1983 (12 MPs)

Constituency 1950 51 1951 52 53 54 1955 57 59 1959 63 1964 1966 69 1970 70 71 72 73 Feb 74 Oct 74 75 77 78 1979 80 81 82
Antrim North H. O'Neill P. O'Neill Clark Paisley -->
Belfast East McKibbin McMaster Craig --> Robinson
Belfast North Hyde Mills --> --> Carson McQuade
Antrim South Savory Cunningham Molyneaux
Armagh Harden Armstrong Maginnis McCusker
Down South Orr Powell
Londonderry Ross Wellwood Chichester-Clark Ross
Down North Smiles Ford Currie Kilfedder --> -->
Belfast South Gage Campbell Pounder Bradford --> Smyth
Mid Ulster Mulvey O'Neill Forrest2 --> Devlin --> Dunlop -->
Fermanagh and South Tyrone Healy Grosvenor1 Hamilton McManus West Maguire Sands Carron
Belfast West Teevan3 Beattie McLaughlin Kilfedder Fitt --> -->

1The constituency was won by Philip Clarke of Sinn Féin, but he was unseated on petition on the basis that his criminal conviction (for Irish Republican Army activity) made him ineligible. Instead, the seat was awarded to the Ulster Unionist Party (UUP) candidate.

2The seat was originally won by Tom Mitchell of Sinn Féin, but Mitchell was subsequently unseated upon petition, on the grounds that his terrorist convictions made him ineligible to sit in Parliament. The seat was awarded to Charles Beattie of the UUP. However, Beattie in turn was also found ineligible to sit due to holding an office of profit under the crown, triggering a further by-election.

3opponent disqualified

1983 to present (17, then 18 MPs)

  Democratic Unionist   Sinn Féin   Social Democratic and Labour   Ulster Unionist   Alliance Party   Independent   Ulster Popular Unionist Party   UK Unionist Party

Constituency 1983 86 1987 90 1992 95 1997 00 2001 04 2005 2010 11 13 2015
Antrim North Paisley Paisley Jr.
Belfast East P. Robinson Long G. Robinson
Belfast North Walker Dodds
Londonderry East Ross Campbell
Strangford Taylor I. Robinson Shannon
Lagan Valley Molyneaux Donaldson -->
Antrim East Beggs Wilson
Upper Bann McCusker Trimble Simpson
Antrim South Forsythe McCrea Burnside McCrea Kinahan
Down North Kilfedder McCartney Hermon -->
Fermanagh and South Tyrone Maginnis Gildernew Elliott
Belfast South Smyth1 McDonnell
Mid Ulster McCrea McGuinness Molloy
Down South Powell McGrady Ritchie
Newry and Armagh Nicholson Mallon Murphy Brady
Foyle Hume Durkan
Belfast West Adams Hendron Adams Maskey
West Tyrone Thompson Doherty

Proposals made in 2016

As part of the Sixth Periodic Review of Westminster constituencies the Boundary Commission for Northern Ireland published the following proposed constituencies to be fought at the 2020 general election.[3]


  1. BC denotes borough constituency, CC denotes county constituency.
  2. The majority is the number of votes the winning candidate receives more than their nearest rival.


See also

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