MPs elected since 1918

• W. E. D. Allen, Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1929 - 31 ¹
• William James Allen, Armagh
  Armagh (UK Parliament constituency)
  Armagh or County Armagh was a Parliamentary Constituency in the House of Commons. It was replaced in boundary changes in 1983.The Act of Union 1800 provided for the Parliament of Ireland to be merged with the Parliament of Great Britain, to form the Parliament of the United Kingdom...
  
  , 1922 - 48
• Christopher Wyborne Armstrong, Armagh
  Armagh (UK Parliament constituency)
  Armagh or County Armagh was a Parliamentary Constituency in the House of Commons. It was replaced in boundary changes in 1983.The Act of Union 1800 provided for the Parliament of Ireland to be merged with the Parliament of Great Britain, to form the Parliament of the United Kingdom...
  
  , 1954 - 59
• Henry Bruce Armstrong
  Henry Bruce Armstrong
  Henry Bruce Wright Armstrong was a Northern Irish barrister and politician, Unionist MP for Mid Armagh from January 1921 until 1922....
  
  , Mid Armagh
  Mid Armagh (UK Parliament constituency)
  Mid Armagh was a constituency in the Parliament of the United Kingdom. It was created by the Redistribution of Seats Act for the 1885 general election and returned one Member of Parliament until it was abolished with effect from the 1922 general election....
  
  , 1921 - 22
• Hugh Thom Barrie, Londonderry North, 1919 - 22
• Charles Beattie
  Charles Beattie
  Charles Beattie was a Northern Irish farmer and auctioneer. Active in the Ulster Farmers' Union and in Unionist associations, he achieved senior office in the Orange Order and the Royal Black Institution and served on Omagh Rural District Council from 1952 until his death...
  
  , Mid Ulster
  Mid Ulster (UK Parliament constituency)
  Mid Ulster is a Parliamentary Constituency in the British House of Commons.-Boundaries:The constituency was created in 1950 when the old two-seat constituency of Fermanagh and Tyrone was abolished as part of the final move to single member seats...
  
  , 1955 - 56
• Roy Beggs
  Roy Beggs
  John Robert Beggs, commonly known as Roy Beggs, is a Northern Ireland politician.Beggs was educated at Ballyclare High School, followed by Stranmillis College, to study teacher training...
  
  , East Antrim
  East Antrim (UK Parliament constituency)
  East Antrim is a Parliamentary Constituency in the House of Commons and also an Assembly constituency in the Northern Ireland Assembly. It has voted for Unionist candidates since its re-creation in 1983.-Boundaries:...
  
  , 1983 - 2005
• Robert Bradford
  Robert Bradford (NI politician)
  Robert Jonathan Bradford MP was a Vanguard Unionist and Ulster Unionist Member of Parliament for the Belfast South constituency in Northern Ireland until he was killed by the Provisional Irish Republican Army on 14 November 1981....
  
  , Belfast South
  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...
  
  , 1977 - 81 ²
• Alexander Browne, Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1931 - 43
• David Burnside
  David Burnside
  David Wilson Boyd Burnside is a Northern Ireland politician, and was Ulster Unionist Party Member of Parliament for South Antrim....
  
  , South Antrim
  South Antrim (UK Parliament constituency)
  South Antrim is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:From 1885, this constituency was one of four county divisions of the former Antrim constituency...
  
  , 2001 - 05
• David Campbell, Belfast South
  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...
  
  , 1952 - 63
• John Carson
  John Carson (politician)
  John Carson is a former Northern Ireland Ulster Unionist Party politician.A draper who owned a shop in the interface area of the Duncairn Gardens in north Belfast, Carson was elected to Belfast City Council in 1973. The following year he was elected as a member of the United Ulster Unionist...
  
  , Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1974 - 79
• Robin Vane-Tempest-Stewart, Viscount Castlereagh, Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1931 - 45
• Robert Chichester
  Robert Chichester
  Lt.-Col. Robert Peel Dawson Spencer Chichester DL, JP was an Irish soldier and politician. He was the son of Lord Adolphus John Spencer Churchill Chichester and Mary Dawson of Castledawson Lt.-Col. Robert Peel Dawson Spencer Chichester DL, JP (13 August 1873 – 10 December 1921) was an Irish...
  
  , Londonderry South, 1921 - 22
• Robin Chichester-Clark
  Robin Chichester-Clark
  Sir Robert Chichester-Clark was member of parliament for Londonderry in the British House of Commons from 1955 until February 1974, and was the only member representing Northern Ireland to be a British government minister since the Government of Ireland Act 1920.-Early life:Chichester-Clark was...
  
  , Londonderry
  Londonderry (UK Parliament constituency)
  Londonderry was a Parliamentary Constituency in the House of Commons and also a constituency in elections to various regional bodies. It was replaced in boundary changes in 1983...
  
  , 1955 - 74
• Henry Maitland Clark
  Henry Maitland Clark
  Henry Maitland Clark is a former Northern Irish colonial administrator and politician.-Background:...
  
  , North Antrim
  North Antrim (UK Parliament constituency)
  North Antrim is a Parliamentary Constituency in the United Kingdom House of Commons. Its current member is Ian Paisley Jr.-Boundaries:North Antrim has always been a county constituency comprising the northern part of County Antrim in the north-east of Northern Ireland...
  
  , 1959 - 70
• Thomas Loftus Cole
  Thomas Loftus Cole
  Thomas Loftus Cole was a unionist politician in Northern Ireland.Cole studied at the Sullivan Upper School in Holywood before qualifying as a pharmacist. Despite this, he worked as a property developer, and was elected to Lurgan Urban District Council in 1911, serving until 1917...
  
  , Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1945 - 50
• William Craig, Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1977 - 79 ²
• Sir Knox Cunningham
  Knox Cunningham
  Sir Samuel Knox Cunningham, 1st Baronet, QC was a Northern Irish Barrister, businessman and politician. As an Ulster Unionist politician at a time when the Unionists were part of the Conservative Party, he was also a significant figure in United Kingdom politics as Parliamentary Private Secretary...
  
  , Bt., South Antrim
  South Antrim (UK Parliament constituency)
  South Antrim is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:From 1885, this constituency was one of four county divisions of the former Antrim constituency...
  
  , 1955 - 70
• George Currie
  George Currie
  George Boyle Hanna Currie MBE was a Northern Irish barrister and politician.Currie went to Campbell College, Belfast, followed by Trinity College, Dublin where he earned the degrees of Bachelor of Arts, Master of Arts, and Bachelor of Laws...
  
  , North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1955 - 70
• Herbert Dixon
  Herbert Dixon, 1st Baron Glentoran
  Herbert Dixon, 1st Baron Glentoran OBE PC was a Northern Ireland Unionist politician.He was born in Belfast, the fourth son of Sir Daniel Dixon, 1st Baronet, and educated at Harrow and Sandhurst, being commissioned into the Royal Inniskilling Fusiliers, with which regiment he served in the Second...
  
  , Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1922 - 40
• Jeffrey Donaldson
  Jeffrey Donaldson
  Jeffrey Mark Donaldson, MP is a Northern Irish politician and Member of Parliament for Lagan Valley belonging to the Democratic Unionist Party...
  
  , 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...
  
  , 1997 - 2003 ³
• Charles Fausset Falls, Fermanagh and Tyrone
  Fermanagh and Tyrone (UK Parliament constituency)
  Fermanagh and Tyrone was a Parliamentary Constituency in Northern Ireland which was represented in the House of Commons of the Parliament of the United Kingdom...
  
  , 1922 - 29
• Patricia Ford
  Patricia Ford (politician)
  Patricia Ford, Lady Fisher was an Ulster Unionist Party politician in the House of Commons of the United Kingdom...
  
  , North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1953 - 55
• George Forrest
  George Forrest (politician)
  George Forrest was a Unionist politician in Northern Ireland who served as MP for Mid Ulster from 1956 until his death...
  
  , Mid Ulster
  Mid Ulster (UK Parliament constituency)
  Mid Ulster is a Parliamentary Constituency in the British House of Commons.-Boundaries:The constituency was created in 1950 when the old two-seat constituency of Fermanagh and Tyrone was abolished as part of the final move to single member seats...
  
  , 1956 - 69 ⁴
• Clifford Forsythe
  Clifford Forsythe
  Clifford Forsythe was a Northern Ireland Ulster Unionist Party politician. He served as Member of Parliament for South Antrim from 1983 to his death. He had previously been Mayor of Newtownabbey Borough Council, and was also a Member of the Northern Ireland Assembly from 1982 to 1986...
  
  , South Antrim
  South Antrim (UK Parliament constituency)
  South Antrim is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:From 1885, this constituency was one of four county divisions of the former Antrim constituency...
  
  , 1983 - 2000
• C. H. Gage, Belfast South
  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...
  
  , 1945 - 52
• R. G. Grosvenor, Fermanagh and South Tyrone
  Fermanagh and South Tyrone (UK Parliament constituency)
  Fermanagh and South Tyrone is a Parliamentary constituency in the British House of Commons. The current MP for the constituency is Michelle Gildernew of Sinn Féin....
  
  , 1955 - 64
• James Hamilton
  James Hamilton, 5th Duke of Abercorn
  James Hamilton, 5th Duke of Abercorn, KG , is the current Duke of Abercorn in the Peerage of Ireland, having succeeded his father in June 1979. The son of James Edward Hamilton, 4th Duke of Abercorn, and Lady Mary Crichton...
  
  , Fermanagh and South Tyrone
  Fermanagh and South Tyrone (UK Parliament constituency)
  Fermanagh and South Tyrone is a Parliamentary constituency in the British House of Commons. The current MP for the constituency is Michelle Gildernew of Sinn Féin....
  
  , 1964 - 70
• James Richard Edwards Harden, Armagh
  Armagh (UK Parliament constituency)
  Armagh or County Armagh was a Parliamentary Constituency in the House of Commons. It was replaced in boundary changes in 1983.The Act of Union 1800 provided for the Parliament of Ireland to be merged with the Parliament of Great Britain, to form the Parliament of the United Kingdom...
  
  , 1948 - 54
• H. P. Harland
  Henry Peirson Harland
  Henry Peirson Harland was a unionist politician in Northern Ireland.Born in Uxbridge, Harland studied at Rugby School before being appointed as a director or Harland and Wolff, and of Short and Harland. He worked as an engineer worldwide before winning the Belfast East by-election, 1940 for the...
  
  , Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1940 - 45
• Hugh Hayes
  Hugh Hayes
  Hugh Hayes was a unionist politician in Ireland.Hayes lived in Lurgan. A Presbyterian, he qualified as a solicitor in 1882. He was active in the Irish Unionist Party, and by 1907 was the honorary secretary of the West Down Unionist Registration Association...
  
  , West Down
  West Down (UK Parliament constituency)
  West Down was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the western part of County Down...
  
  , 1922
• Sylvia Hermon
  Sylvia Hermon
  Sylvia Eileen Hermon, Lady Hermon is a Northern Irish politician. Since 2001, she has been the Member of Parliament for the constituency of North Down, first elected for the Ulster Unionist Party , but now an independent...
  
  , North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 2001 - 10⁹
• H. Montgomery Hyde, Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1950 - 59
• William Morgan Jellett
  William Morgan Jellett
  William Morgan Jellett was an Irish Unionist Member of Parliament in the Parliament of the United Kingdom. The Irish Unionists were the Irish wing of the Conservative Party. He was the son of Rev...
  
  , Dublin University, 1919 - 22
• James Kilfedder
  James Kilfedder
  Sir James Alexander Kilfedder was a Northern Ireland unionist politician.-Early life:...
  
  , Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1964 - 66; North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1970 - 77 ⁵
• James Little, Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1939 - 45 ⁶
• R. J. Lynn, Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1922 - 29
• Thomas Edward McConnell
  Thomas Edward McConnell
  Thomas Edward McConnell was a unionist politician in Northern Ireland.McConnell studied at the Royal Belfast Academical Institution before becoming the managing director of a horse and cattle sales firm. He was elected to the Belfast Corporation as a councillor and then an alderman, for the...
  
  , Belfast Duncairn
  Belfast Duncairn (UK Parliament constituency)
  Duncairn, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom from 1918 to 1922.-Boundaries and boundary changes:...
  
  , 1921 - 22; Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1922 - 29
• Harold McCusker
  Harold McCusker
  James Harold McCusker was a Northern Ireland Ulster Unionist Party politician who served as his party's deputy leader....
  
  , Armagh
  Armagh (UK Parliament constituency)
  Armagh or County Armagh was a Parliamentary Constituency in the House of Commons. It was replaced in boundary changes in 1983.The Act of Union 1800 provided for the Parliament of Ireland to be merged with the Parliament of Great Britain, to form the Parliament of the United Kingdom...
  
  , 1974 - 83; Upper Bann
  Upper Bann (UK Parliament constituency)
  Upper Bann is a Parliamentary Constituency in the United Kingdom House of Commons. The current Member of Parliament for Upper Bann is David Simpson.-Boundaries:...
  
  , 1983 - 90
• Alan McKibbin
  Alan McKibbin
  Colonel Alan John McKibbin, OBE, JP, DL was a Northern Irish company director and politician. After serving in the First World War, he later took charge of the Army Cadet Force in Northern Ireland, and also ran the family estate agency firm...
  
  , Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1950 - 59
• Patricia McLaughlin
  Patricia McLaughlin
  Patricia McLaughlin OBE , known as Patricia McLaughlin, was a unionist politician in Northern Ireland and one of the earliest female Members of Parliament from the region....
  
  , Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1955 - 64
• James Godfrey MacManaway
  James Godfrey MacManaway
  James Godfrey MacManaway, MBE was a British Unionist politician and Church of Ireland cleric, notable for being disqualified as a Member of Parliament, owing to his status as a priest.-Early life:...
  
  , Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1950
• Stanley McMaster
  Stanley McMaster
  Stanley Raymond McMaster was a Unionist politician in Northern Ireland and a barrister at Lincoln's Inn in London....
  
  , Belfast East
  Belfast East (UK Parliament constituency)
  Belfast East is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Naomi Long of the Alliance Party, elected in 2010...
  
  , 1959 - 74
• Malcolm Macnaghten
  Malcolm Macnaghten
  Sir Malcolm Martin Macnaghten KBE , was a Northern Ireland Unionist politician and judge, the fourth son of Lord Macnaghten, Bt.....
  
  , Londonderry North, 1922; Londonderry
  Londonderry (UK Parliament constituency)
  Londonderry was a Parliamentary Constituency in the House of Commons and also a constituency in elections to various regional bodies. It was replaced in boundary changes in 1983...
  
  , 1922 - 29
• John Maginnis
  John Maginnis
  John Edward Maginnis was a Northern Irish politician. He was Ulster Unionist Member of Parliament for Armagh from 1959 until he stood down at the February 1974 general election.-References:...
  
  , Armagh
  Armagh (UK Parliament constituency)
  Armagh or County Armagh was a Parliamentary Constituency in the House of Commons. It was replaced in boundary changes in 1983.The Act of Union 1800 provided for the Parliament of Ireland to be merged with the Parliament of Great Britain, to form the Parliament of the United Kingdom...
  
  , 1959 - 74
• Ken Maginnis, Fermanagh and South Tyrone
  Fermanagh and South Tyrone (UK Parliament constituency)
  Fermanagh and South Tyrone is a Parliamentary constituency in the British House of Commons. The current MP for the constituency is Michelle Gildernew of Sinn Féin....
  
  , 1983 - 2001
• Stratton Mills
  Stratton Mills
  William Stratton Mills, known as Stratton Mills , is a retired solicitor and former politician in Northern Ireland.He was the only Member of Parliament to have sat for the Alliance Party of Northern Ireland in the British House of Commons, until Naomi Long won Belfast East in 2010...
  
  , Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1959 - 72 ⁷
• Thomas Moles
  Thomas Moles
  Thomas Moles was an Ulster Unionist politician. Born in Belfast, Ireland in 1871, he was educated at the Collegiate School, Ballymena....
  
  , Belfast South
  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...
  
  , 1922 - 29
• James Molyneaux
  James Molyneaux
  James Henry Molyneaux, Baron Molyneaux of Killead, KBE, PC is a Northern Irish Unionist politician and was leader of the Ulster Unionist Party from 1979 to 1995. He was a leading member and sometime Vice-President of the Conservative Monday Club...
  
  , South Antrim
  South Antrim (UK Parliament constituency)
  South Antrim is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:From 1885, this constituency was one of four county divisions of the former Antrim constituency...
  
  , 1970 - 83; 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...
  
  , 1983 - 97
• Charles Heron Mullan
  Charles Heron Mullan
  Charles Heron Mullan CBE DL , known as C. H. Mullan, was a judge and unionist politician in Northern Ireland....
  
  , Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1946 - 50
• William Frederick Neill
  William Frederick Neill
  William Frederick Neill was a unionist politician in Northern Ireland.Neill studied at Belfast Model School before becoming an estate agent. He was elected as an Ulster Unionist Party alderman on the Belfast Corporation in 1938, and served as Lord Mayor of Belfast from 1946 to 1949...
  
  , Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1945 - 50
• Jim Nicholson
  Jim Nicholson (UK politician)
  James Frederick "Jim" Nicholson is a Northern Ireland Ulster Unionist Party politician, who is currently a Member of the European Parliament .-Career:...
  
  , Newry and Armagh
  Newry and Armagh (UK Parliament constituency)
  Newry and Armagh is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The seat was created in boundary changes in 1983, as part of an expansion of Northern Ireland's constituencies from 12 to 17, and was predominantly made up from the old Armagh constituency with the...
  
  , 1983 - 86
• Hugh O'Neill, Mid Antrim, 1915 - 22; Antrim
  Antrim (UK Parliament constituency)
  Antrim is former UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801–1885 and 1922-1950.-Boundaries:...
  
  , 1922 - 50; North Antrim
  North Antrim (UK Parliament constituency)
  North Antrim is a Parliamentary Constituency in the United Kingdom House of Commons. Its current member is Ian Paisley Jr.-Boundaries:North Antrim has always been a county constituency comprising the northern part of County Antrim in the north-east of Northern Ireland...
  
  , 1950 - 53
• Phelim Robert Hugh O'Neill, North Antrim
  North Antrim (UK Parliament constituency)
  North Antrim is a Parliamentary Constituency in the United Kingdom House of Commons. Its current member is Ian Paisley Jr.-Boundaries:North Antrim has always been a county constituency comprising the northern part of County Antrim in the north-east of Northern Ireland...
  
  , 1953 - 59
• Lawrence Orr
  Lawrence Orr
  Captain Lawrence Percy Story Orr was an Ulster Unionist politician in Northern Ireland. He was Member of Parliament for South Down from 1950 until he retired at the October 1974 general election, preceding Enoch Powell....
  
  , South Down
  South Down (UK Parliament constituency)
  South Down is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The county constituency was first created in 1885 from the southern part of Down...
  
  , 1950 - 74
• Sir William Hacket Pain
  William Hacket Pain
  Brigadier-General Sir George William Hacket Pain KBE CB was a British Army officer and Royal Irish Constabulary commissioner. He played a key part in setting up the Ulster Volunteers as a unionist militia during the Home Rule crisis of 1912, and was believed to have organised gun-running...
  
  , South Londonderry
  South Londonderry (UK Parliament constituency)
  South Londonderry was a UK Parliament constituency in Ireland. It returned one Member of Parliament to the British House of Commons from 1885 until it was abolished in 1922.-Boundaries and Boundary Changes:...
  
  , 1922
• Rafton Pounder
  Rafton Pounder
  Rafton John Pounder was a Pro-Assembly Unionist and Conservative Party politician and in Northern Ireland.Born at Ballynahatty, Belfast, the son of Cuthbert Pounder, Rafton Pounder was educated at Charterhouse and at Christ's College, Cambridge, where he was Chairman of the Conservative...
  
  , Belfast South
  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...
  
  , 1953 - 74
• Enoch Powell
  Enoch Powell
  John Enoch Powell, MBE was a British politician, classical scholar, poet, writer, and soldier. He served as a Conservative Party MP and Minister of Health . He attained most prominence in 1968, when he made the controversial Rivers of Blood speech in opposition to mass immigration from...
  
  , South Down
  South Down (UK Parliament constituency)
  South Down is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The county constituency was first created in 1885 from the southern part of Down...
  
  , 1974 - 87 ⁸
• James Alexander Pringle, Fermanagh and Tyrone
  Fermanagh and Tyrone (UK Parliament constituency)
  Fermanagh and Tyrone was a Parliamentary Constituency in Northern Ireland which was represented in the House of Commons of the Parliament of the United Kingdom...
  
  , 1922 - 29
• David Douglas Reid, Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1922 - 39
• Ronald Ross, Londonderry
  Londonderry (UK Parliament constituency)
  Londonderry was a Parliamentary Constituency in the House of Commons and also a constituency in elections to various regional bodies. It was replaced in boundary changes in 1983...
  
  , 1929 - 51
• William Ross
  William Ross (Northern Ireland politician)
  William Ross is a Northern Ireland unionist politician. He served as the Ulster Unionist Party member of Parliament for Londonderry from February 1974 until 2001...
  
  , Londonderry
  Londonderry (UK Parliament constituency)
  Londonderry was a Parliamentary Constituency in the House of Commons and also a constituency in elections to various regional bodies. It was replaced in boundary changes in 1983...
  
  , 1974 - 83; East Londonderry
  East Londonderry (UK Parliament constituency)
  East Londonderry is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The seat was created in boundary changes in 1983, as part of an expansion of Northern Ireland's constituencies from 12 to 17, and was predominantly made up from the old Londonderry constituency...
  
  , 1983 - 2001
• Douglas Lloyd Savory
  Douglas Lloyd Savory
  Sir Douglas Lloyd Savory was a professor of French and a member of the parliament of the United Kingdom.He was born at Palgrave in Suffolk and educated at Marlborough College and St John's College, Oxford...
  
  , Queen's University, Belfast
  Queen's University, Belfast (UK Parliament constituency)
  Queen's University of Belfast was a university constituency represented in the House of Commons of the United Kingdom Parliament from 1918 until 1950.It returned one Member of Parliament , elected by the first-past-the-post voting system.-Boundaries:...
  
  , 1940 - 50; South Antrim
  South Antrim (UK Parliament constituency)
  South Antrim is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:From 1885, this constituency was one of four county divisions of the former Antrim constituency...
  
  , 1950 - 55
• Robert Sharman-Crawford
  Robert Sharman-Crawford
  Robert Gordon Sharman-Crawford PC was a unionist politician in Northern Ireland.Sharman-Crawford studied at Trinity College, Dublin before becoming an officer in the British Army and managing the family estates. He was elected for the Ulster Unionist Party at the Belfast East by-election, 1914,...
  
  , Mid Down
  Mid Down (UK Parliament constituency)
  Mid Down was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the British House of Commons 1918–1922.-Boundaries and Boundary Changes:...
  
  , 1921 - 22
• John Morrow Simms
  John Morrow Simms
  John Morrow Simms was a unionist politician in Northern Ireland.Born in Newtownards, Simms studied at the Old Academy, Belfast, the Coleraine Academical Institution, Queen's University, Belfast, the University of Edinburgh and Leipzig University. In 1882, he was ordained as a Church of Ireland...
  
  , North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1922; Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1922 - 31
• Thomas Sinclair
  Thomas Sinclair (politician)
  Thomas Sinclair PC was an Irish unionist politician.Sinclair studied at Queen's University, Belfast before working as a surgeon. He was elected to the Senate of Northern Ireland on its creation in 1921....
  
  , Queen's University, Belfast
  Queen's University, Belfast (UK Parliament constituency)
  Queen's University of Belfast was a university constituency represented in the House of Commons of the United Kingdom Parliament from 1918 until 1950.It returned one Member of Parliament , elected by the first-past-the-post voting system.-Boundaries:...
  
  , 1918 - 40
• Walter Smiles, Down
  Down (UK Parliament constituency)
  Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....
  
  , 1945 - 50; North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1950 - 53
• Martin Smyth
  Martin Smyth
  Reverend William Martin Smyth is a Northern Irish unionist politician, and was Ulster Unionist Party Member of Parliament for Belfast South from 1982-2005...
  
  , Belfast South
  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...
  
  , 1982 - 2005
• Thomas Somerset
  Thomas Somerset (politician)
  Sir Thomas Somerset DL was a major industrialist and Ulster Unionist Member of Parliament for North Belfast from 1929-1945. Sir Thomas, son of James Somerset - an engineer, was educated at Largymore, County Down.-Career:...
  
  , Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1929 - 45
• W. J. Stewart, Belfast South
  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...
  
  , 1929 - 45
• John Taylor
  John Taylor, Baron Kilclooney
  John David Taylor, Baron Kilclooney, PC , is a former Ulster Unionist Party MP and a life peer. He was deputy leader of the UUP from 1995 to 2001, and a member of the Northern Ireland Assembly.-Career and family:...
  
  , Strangford
  Strangford (UK Parliament constituency)
  Strangford is a Parliamentary Constituency in the United Kingdom House of Commons.-Boundaries:The seat was created in boundary changes in 1983, as part of an expansion of Northern Ireland's constituencies from 12 to 17, and was predominantly made up from parts of North Down...
  
  , 1983 - 2001
• Thomas Teevan, Belfast West
  Belfast West (UK Parliament constituency)
  Belfast West is a parliamentary constituency in the House of Commons of the United Kingdom.-Boundaries:The seat was restored 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...
  
  , 1950 - 51
• William Thompson
  William Thompson (Ulster)
  William John "Willie" Thompson was a Northern Irish Ulster Unionist Party politician. He served as Member of Parliament for West Tyrone from 1997 to 2001...
  
  , West Tyrone
  West Tyrone (UK Parliament constituency)
  West Tyrone is a county constituency in Northern Ireland, represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post voting system.-Boundaries:...
  
  , 1997 - 2001
• David Trimble
  David Trimble
  William David Trimble, Baron Trimble, PC , is a politician from Northern Ireland. He served as Leader of the Ulster Unionist Party , was the first First Minister of Northern Ireland , and was a Member of the British Parliament . He is currently a life peer for the Conservative Party...
  
  , Upper Bann
  Upper Bann (UK Parliament constituency)
  Upper Bann is a Parliamentary Constituency in the United Kingdom House of Commons. The current Member of Parliament for Upper Bann is David Simpson.-Boundaries:...
  
  , 1990 - 2005
• Cecil Walker
  Cecil Walker
  Sir Alfred Cecil Walker was an Ulster Unionist Member of Parliament for North Belfast from 1983 to 2001.Walker was born in Belfast. His father was a police constable. He was educated at Everton elementary school, Model Boys' school and Belfast Methodist College. He worked for the Belfast timber...
  
  , Belfast North
  Belfast North (UK Parliament constituency)
  Belfast North 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...
  
  , 1983 - 2001
• Thomas Browne Wallace
  Thomas Browne Wallace
  Thomas Browne Wallace was the Member of Parliament for West Down, 1921–1922.-Life:He was son of Robert Smyths Wallace, of Dromore, and was admitted a solicitor in 1887. A Unionist, he elected forWest Down on July 14, 1921.-References:...
  
  , West Down
  West Down (UK Parliament constituency)
  West Down was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the western part of County Down...
  
  , 1921 - 22
• William Wellwood
  William Wellwood
  Captain William Wellwood MC was the Ulster Unionist Party MP for Londonderry in the Westminster Parliament from 1951 to 1955.Following the retirement of Ronald Ross, Wellwood was elected unopposed in a by-election on 19 May 1951....
  
  , Londonderry
  Londonderry (UK Parliament constituency)
  Londonderry was a Parliamentary Constituency in the House of Commons and also a constituency in elections to various regional bodies. It was replaced in boundary changes in 1983...
  
  , 1951 - 55
• Harry West
  Harry West
  Henry William West was a politician in Northern Ireland who served as leader of the Ulster Unionist Party from 1974 until 1979.West was born in County Fermanagh and educated at Portora Royal School in Enniskillen...
  
  , Fermanagh and South Tyrone
  Fermanagh and South Tyrone (UK Parliament constituency)
  Fermanagh and South Tyrone is a Parliamentary constituency in the British House of Commons. The current MP for the constituency is Michelle Gildernew of Sinn Féin....
  
  , 1974
• Henry Hughes Wilson, North Down
  North Down (UK Parliament constituency)
  North Down is a Parliamentary Constituency in the United Kingdom House of Commons. The current MP is Sylvia Hermon, elected as an Independent in the 2010 General Election. -Boundaries:The county constituency was first created in 1885 from the northern part of Down...
  
  , 1922

MPs elected in 1918

• William James Allen, Armagh North
  North Armagh (UK Parliament constituency)
  North Armagh was a UK Parliament constituency in Ireland.-Boundaries and boundary changes:This constituency comprised the northern part of County Armagh....
  
  
• Hugh Alfred Anderson
  Hugh Alfred Anderson
  Hugh Alfred Anderson was an Irish Unionist politician. He was elected Member of Parliament for North Londonderry in 1918, resigning early in 1919....
  
  , Londonderry North
  North Londonderry (UK Parliament constituency)
  North Londonderry was a United Kingdom Parliament constituency in Ireland.-Boundaries and boundary changes:This county constituency comprised the northern part of County Londonderry.It returned one Member of Parliament 1885–1922....
  
  
• Edward Mervyn Archdale, Fermanagh North
  North Fermanagh (UK Parliament constituency)
  North Fermanagh was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the northern part of County Fermanagh.It returned one Member of Parliament 1885–1922....
  
  
• Thomas Watters Brown
  Thomas Watters Brown
  Thomas Watters Brown PC was an Irish lawyer and politician. He was elected Member of Parliament for North Down in 1918 and was appointed Solicitor-General for Ireland in June 1921. On 5 August of the same year he was promoted to Attorney-General for Ireland. He was the last holder of both offices...
  
  , Down North
• Edward Henry Carson, Belfast Duncairn
  Belfast Duncairn (UK Parliament constituency)
  Duncairn, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom from 1918 to 1922.-Boundaries and boundary changes:...
  
  
• William Coote, Tyrone South
  South Tyrone (UK Parliament constituency)
  South Tyrone was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the southern part of County Tyrone.It returned one Member of Parliament 1885–1922....
  
  
• Charles Curtis Craig
  Charles Curtis Craig
  Charles Curtis Craig , was an Irish Unionst and later Ulster Unionist politician. He was Member of Parliament for constituencies in County Antrim from 1903 to 1929, taking his seat in the House of Commons of the United Kingdom...
  
  , Antrim South
• James Craig
  James Craig, 1st Viscount Craigavon
  James Craig, 1st Viscount Craigavon, PC, PC , was a prominent Irish unionist politician, leader of the Ulster Unionist Party and the first Prime Minister of Northern Ireland...
  
  , Down Mid
  Mid Down (UK Parliament constituency)
  Mid Down was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the British House of Commons 1918–1922.-Boundaries and Boundary Changes:...
  
  
• Herbert Dixon
  Herbert Dixon, 1st Baron Glentoran
  Herbert Dixon, 1st Baron Glentoran OBE PC was a Northern Ireland Unionist politician.He was born in Belfast, the fourth son of Sir Daniel Dixon, 1st Baronet, and educated at Harrow and Sandhurst, being commissioned into the Royal Inniskilling Fusiliers, with which regiment he served in the Second...
  
  , Belfast Pottinger
  Belfast Pottinger (UK Parliament constituency)
  Pottinger, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom from 1918 to 1922.-Boundaries and Boundary Changes:...
  
  
• Maurice Edward Dockrell, Dublin Rathmines
  Dublin Rathmines (UK Parliament constituency)
  Dublin Rathmines, a division of County Dublin based on the suburb of Rathmines, was a former British Parliament constituency in Ireland. It returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom from 1918 to 1922.Before the 1918 general election the area...
  
  
• Denis Stanislaus Henry, Londonderry South
  South Londonderry (UK Parliament constituency)
  South Londonderry was a UK Parliament constituency in Ireland. It returned one Member of Parliament to the British House of Commons from 1885 until it was abolished in 1922.-Boundaries and Boundary Changes:...
  
  
• Peter Kerr Kerr-Smiley, Antrim North
• William Arthur Lindsay, Belfast Cromac
  Belfast Cromac (UK Parliament constituency)
  Cromac, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom from 1918 to 1922.-Boundaries and Boundary Changes:...
  
  
• James Rolston Lonsdale
  James Rolston Lonsdale
  James Rolston Lonsdale was Unionist Member of Parliament for Mid Armagh from January 1918 until his death. He succeeded his brother John to this constituency on the latter's elevation to the Lords as Baron Armaghdale....
  
  , Mid Armagh
  Mid Armagh (UK Parliament constituency)
  Mid Armagh was a constituency in the Parliament of the United Kingdom. It was created by the Redistribution of Seats Act for the 1885 general election and returned one Member of Parliament until it was abolished with effect from the 1922 general election....
  
  
• Robert John Lynn, Belfast Woodvale
  Belfast Woodvale (UK Parliament constituency)
  Woodvale, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom from 1918 to 1922.-Boundaries and Boundary Changes:...
  
  
• Robert Chaine Alexander McCalmont, Antrim East
• Thomas Moles
  Thomas Moles
  Thomas Moles was an Ulster Unionist politician. Born in Belfast, Ireland in 1871, he was educated at the Collegiate School, Ballymena....
  
  , Belfast Ormeau
  Belfast Ormeau (UK Parliament constituency)
  Ormeau, a division of Belfast, was a UK parliamentary constituency in Ireland. It returned one Member of Parliament to the House of Commons of the United Kingdom 1918–1922.-Boundaries and Boundary Changes:...
  
  
• Hugh O'Neill, Mid Antrim
• David Douglas Reid, Down East
  East Down (UK Parliament constituency)
  East Down was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the eastern part of County Down...
  
  
• Arthur Warren Samuels
  Arthur Warren Samuels
  Arthur Warren Samuels was an Irish Unionist Alliance Member of Parliament in the United Kingdom Parliament and subsequently a Judge. The Irish Unionists were the Irish wing of the Conservative Party....
  
  , Dublin University
• William Whitla
  William Whitla
  Sir William Whitla was an Irish physician and politician.-Early life:Born at The Diamond, Monaghan, County Monaghan, Ireland, the fourth son of Robert Whitla, a woollen draper and pawnbroker, and his wife, Anne, daughter of Alexander Williams of Dublin...
  
  , Queen's University of Belfast
  Queen's University, Belfast (UK Parliament constituency)
  Queen's University of Belfast was a university constituency represented in the House of Commons of the United Kingdom Parliament from 1918 until 1950.It returned one Member of Parliament , elected by the first-past-the-post voting system.-Boundaries:...
  
  
• Daniel Martin Wilson
  Daniel Martin Wilson
  The Hon. Daniel Martin Wilson BA KC was an Irish politician and judge.He was born in Limerick, the son of Rev. David Wilson, and was educated at the Royal Belfast Academical Institution and at Trinity College, Dublin....
  
  , West Down
  West Down (UK Parliament constituency)
  West Down was a UK Parliament constituency in Ireland.-Boundaries and Boundary Changes:This county constituency comprised the western part of County Down...
  
  

¹ Defected to the New Party

New Party (Oswald Mosley)

The New Party was a political party briefly active in the United Kingdom in the early 1930s. It was formed by Sir Oswald Mosley, an MP who had belonged to both the Conservative and Labour parties, quitting Labour after its 1930 conference narrowly rejected his "Mosley Memorandum", a document he...

.

² Elected in 1974 for the Vanguard Progressive Unionist Party

Vanguard Progressive Unionist Party

The Vanguard Unionist Progressive Party , informally known as Ulster Vanguard, was a unionist political party which existed in Northern Ireland between 1973 and 1978...

.

³ Defected to the Democratic Unionist Party

Democratic Unionist Party

The Democratic Unionist Party is the larger of the two main unionist political parties in Northern Ireland. Founded by Ian Paisley and currently led by Peter Robinson, it is currently the largest party in the Northern Ireland Assembly and the fourth-largest party in the House of Commons of the...

.

⁴ Elected in 1956 as an Independent Unionist.

⁵ Left the party to become an Independent Unionist before forming the Ulster Popular Unionist Party

Ulster Popular Unionist Party

The Ulster Popular Unionist Party was a unionist political party in Northern Ireland. It was founded in 1980 by James Kilfedder, independent Unionist Member of Parliament for North Down, who led the party until his death in 1995....

.

⁶ Resigned from the party at the 1945 general election

United Kingdom general election, 1945

The United Kingdom general election of 1945 was a general election held on 5 July 1945, with polls in some constituencies delayed until 12 July and in Nelson and Colne until 19 July, due to local wakes weeks. The results were counted and declared on 26 July, due in part to the time it took to...

 in protest at being subject to a reselection due to the retirement of Viscount Castlereagh

Edward Vane-Tempest-Stewart, 8th Marquess of Londonderry

Edward Charles Stewart Robert "Robin" Vane-Tempest-Stewart, 8th Marquess of Londonderry, DL was an Irish peer and politician....

, the other Ulster Unionist MP for the two member Down constituency

Down (UK Parliament constituency)

Down was a UK Parliament constituency in Ireland. It was a two member constituency and existed in two periods, 1801-1885 and 1922-1950.-Boundaries:1801-1885: The whole of County Down, excluding the Boroughs of Downpatrick and Newry....

 and held his seat as an Independent Ulster Unionist.

⁷ Refused to follow the other Ulster Unionists in resigning the Conservative

Conservative Party (UK)

The Conservative Party, formally the Conservative and Unionist Party, is a centre-right political party in the United Kingdom that adheres to the philosophies of conservatism and British unionism. It is the largest political party in the UK, and is currently the largest single party in the House...

 whip

Whip (politics)

A whip is an official in a political party whose primary purpose is to ensure party discipline in a legislature. Whips are a party's "enforcers", who typically offer inducements and threaten punishments for party members to ensure that they vote according to the official party policy...

; later joined the Alliance Party of Northern Ireland

Alliance Party of Northern Ireland

The Alliance Party of Northern Ireland is a liberal and nonsectarian political party in Northern Ireland. It is Northern Ireland's fifth-largest party overall, with eight seats in the Northern Ireland Assembly and one in the House of Commons....

⁸ Previously Conservative MP for Wolverhampton South West 1950-1974

⁹ Left the party to become and Independent Unionist.