View source for List of Ulster Unionist Party MPs

{{Short description|None}}
{{Use dmy dates|date=February 2017}}
{{Use British English|date=February 2017}}
This is a '''list of Ulster Unionist Party MPs'''.  It includes all [[members of Parliament]] elected to the [[British House of Commons]] representing the [[Ulster Unionist Party]] or its forerunner, the [[Irish Unionist Alliance|Irish Unionist Party]], since 1918.  Members of the [[European Parliament]], the [[Northern Ireland House of Commons]] or the [[Northern Ireland Assembly]] are not listed.

==MPs elected since 1918==
{| class="wikitable"
|-
! Member !! Constituency !! Years served
|-
| [[William Edward David Allen|W. E. D. Allen]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| [[1929 United Kingdom general election|1929]]–[[1931 United Kingdom general election|1931]] <sup>1</sup>
|-
| [[William Allen (Armagh MP)|William James Allen]]
| [[North Armagh (UK Parliament constituency)|Armagh North]]<br>[[Armagh (UK Parliament constituency)|Armagh]]
| [[1917 North Armagh by-election|1917]]–[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1948 Armagh by-election|1948]]
|-
| [[Hugh Alfred Anderson]]
| [[North Londonderry (UK Parliament constituency)|Londonderry North]]
| [[1918 United Kingdom general election|1918]]–[[1919 North Londonderry by-election|1919]]
|-
| [[Edward Mervyn Archdale]] 
| [[North Fermanagh (UK Parliament constituency)|Fermanagh North]]
| [[1916 North Fermanagh by-election|1916]]-[[1922 United Kingdom general election|1922]]
|-
| [[C. W. Armstrong]]
| [[Armagh (UK Parliament constituency)|Armagh]]
| [[1954 Armagh by-election|1954]]–[[1959 United Kingdom general election|1959]]
|-
| [[Henry Bruce Armstrong]]
| [[Mid Armagh (UK Parliament constituency)|Mid Armagh]]
| [[1921 Mid Armagh by-election|1921]]–[[1922 United Kingdom general election|1922]]
|-
| [[Hugh T. Barrie]]
| [[North Londonderry (UK Parliament constituency)|North Londonderry]]
| [[1919 North Londonderry by-election|1919]]–[[1922 United Kingdom general election|1922]]
|-
| [[Charles Beattie]]
| [[Mid Ulster (UK Parliament constituency)|Mid Ulster]]
| [[1955 Mid Ulster by-election|1955]]–[[1956 Mid Ulster by-election|1956]]
|-
| [[Roy Beggs]]
| [[East Antrim (UK Parliament constituency)|East Antrim]]
| [[1983 United Kingdom general election|1983]]–[[2005 United Kingdom general election|2005]]
|-
| [[Robert Bradford (Northern Irish politician)|Robert Bradford]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| 1977–1981 <sup>2</sup>
|-
| [[Thomas Watters Brown]]
| [[North Down (UK Parliament constituency)|North Down]]
| [[1918 United Kingdom general election|1918]]-[[February 1922 North Down by-election|1922]]
|-
| [[Alexander Browne]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| [[1931 United Kingdom general election|1931]]–[[1943 Belfast West by-election|1943]]
|-
| [[David Burnside]]
| [[South Antrim (UK Parliament constituency)|South Antrim]]
| [[2001 United Kingdom general election|2001]]–[[2005 United Kingdom general election|2005]]
|-
| [[David Campbell (MP)|David Campbell]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| [[1952 Belfast South by-election|1952]]–[[1963 Belfast South by-election|1963]]
|-
| [[Edward Carson]] 
|[[Dublin University (constituency)|Dublin University]]<br>[[Belfast Duncairn (UK Parliament constituency)|Belfast Duncairn]]
| [[1892 United Kingdom general election|1892]]-[[1918 United Kingdom general election|1918]]<br>[[1918 United Kingdom general election|1918]]-[[1921 Belfast Duncairn by-election|1921]]
|-
| [[John Carson (Northern Ireland politician)|John Carson]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| [[February 1974 United Kingdom general election|February 1974]] – [[1979 United Kingdom general election|1979]]
|-
| [[Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry|Robin Vane-Tempest-Stewart, Viscount Castlereagh]]
| [[Down (UK Parliament constituency)|Down]]
| [[1931 United Kingdom general election|1931]]–[[1945 United Kingdom general election|1945]]
|-
| [[Robert Chichester (politician)|Robert Chichester]]
| [[South Londonderry (UK Parliament constituency)|South Londonderry]]
| [[1921 South Londonderry by-election|1921]]–[[1922 South Londonderry by-election|1922]]
|-
| [[Robin Chichester-Clark]]
| [[Londonderry (UK Parliament constituency)|Londonderry]]
| [[1955 United Kingdom general election|1955]] – [[February 1974 United Kingdom general election|February 1974]]
|-
| [[Henry Maitland Clark]]
| [[North Antrim (UK Parliament constituency)|North Antrim]]
| [[1959 United Kingdom general election|1959]]–[[1970 United Kingdom general election|1970]]
|-
| [[Thomas Loftus Cole]]
| [[Belfast East (UK Parliament constituency)|Belfast East]]
| [[1945 United Kingdom general election|1945]]–[[1950 United Kingdom general election|1950]]
|-
| [[William Coote]]
| [[South Tyrone (UK Parliament constituency)|Tyrone South]]
| [[1916 South Tyrone by-election|1916]]-[[1922 United Kingdom general election|1922]]
|-
| [[James Craig, 1st Viscount Craigavon|James Craig]]
| [[East Down (UK Parliament constituency)|East Down]]<br>[[Mid Down (UK Parliament constituency)|Down Mid]]
| [[1906 United Kingdom general election|1906]]–[[1918 United Kingdom general election in Ireland|1918]]<br>[[1918 United Kingdom general election in Ireland|1918]]-[[1921 Mid Down by-election|1921]]
|-
| [[William Craig (Northern Ireland politician)|William Craig]]
| [[Belfast East (UK Parliament constituency)|Belfast East]]
| 1977–[[1979 United Kingdom general election|1979]] <sup>2</sup>
|-
| [[Knox Cunningham]]
| [[South Antrim (UK Parliament constituency)|South Antrim]]
| [[1955 United Kingdom general election|1955]]–[[1970 United Kingdom general election|1970]]
|-
| [[George Currie (Northern Irish politician)|George Currie]]
| [[North Down (UK Parliament constituency)|North Down]]
| [[1955 United Kingdom general election|1955]]–[[1970 United Kingdom general election|1970]]
|-
|[[Charles Curtis Craig]] 
|[[Antrim South (UK Parliament constituency)|Antrim South]]
|[[1903 South Antrim by-election|1903]] – [[1922 United Kingdom general election|1922]]
|-
| [[Herbert Dixon, 1st Baron Glentoran|Herbert Dixon]]
| [[Belfast Pottinger (UK Parliament constituency)|Belfast Pottinger]]<br>[[Belfast East (UK Parliament constituency)|Belfast East]]
| [[1918 United Kingdom general election|1918]]-[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1940 Belfast East by-election|1940]]
|-
| [[Maurice Dockrell (Unionist politician)|Maurice Dockrell]]
| [[Dublin Rathmines (UK Parliament constituency)|Dublin Rathmines]]
| [[1918 United Kingdom general election|1918]]-[[1922 United Kingdom general election|1922]]
|-
| [[Jeffrey Donaldson]]
| [[Lagan Valley (UK Parliament constituency)|Lagan Valley]]
| [[1997 United Kingdom general election|1997]]–2003 <sup>3</sup>
|-
| [[Tom Elliott (politician)|Tom Elliott]]
| [[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| [[2015 United Kingdom general election|2015]]–[[2017 United Kingdom general election|2017]]
|-
| [[Charles Falls]]
| [[Fermanagh and Tyrone (UK Parliament constituency)|Fermanagh and Tyrone]]
| [[1924 United Kingdom general election|1924]]–[[1929 United Kingdom general election|1929]]
|-
| [[Patricia Ford (politician)|Patricia Ford]]
| [[North Down (UK Parliament constituency)|North Down]]
| [[1953 North Down by-election|1953]]–[[1955 United Kingdom general election|1955]]
|-
| [[George Forrest (Northern Ireland politician)|George Forrest]]
| [[Mid Ulster (UK Parliament constituency)|Mid Ulster]]
| [[1956 Mid Ulster by-election|1956]]–[[1969 Mid Ulster by-election|1969]] <sup>4</sup>
|-
| [[Clifford Forsythe]]
| [[South Antrim (UK Parliament constituency)|South Antrim]]
| [[1983 United Kingdom general election|1983]]–[[2000 South Antrim by-election|2000]]
|-
| [[Conolly Gage]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| [[1945 United Kingdom general election|1945]]–[[1952 Belfast South by-election|1952]]
|-
| [[Robert Grosvenor, 5th Duke of Westminster|Robert Grosvenor]]
| [[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| [[1955 United Kingdom general election|1955]]–[[1964 United Kingdom general election|1964]]
|-
| [[James Hamilton, 5th Duke of Abercorn|James Hamilton]]
| [[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| [[1964 United Kingdom general election|1964]]–[[1970 United Kingdom general election|1970]]
|-
| [[Richard Harden (politician)|Richard Harden]]
| [[Armagh (UK Parliament constituency)|Armagh]]
| [[1948 Armagh by-election|1948]]–[[1954 Armagh by-election|1954]]
|-
| [[Henry Peirson Harland|H. P. Harland]]
| [[Belfast East (UK Parliament constituency)|Belfast East]]
| [[1940 Belfast East by-election|1940]]–[[1945 United Kingdom general election|1945]]
|-
| [[Hugh Hayes]] 
| [[West Down (UK Parliament constituency)|West Down]]
| [[1922 West Down by-election|1922]]–[[1922 United Kingdom general election|1922]]
|-
| [[Denis Stanislaus Henry]] 
| [[South Londonderry (UK Parliament constituency)|Londonderry South]]
| [[1916 South Londonderry by-election|1916]]-[[1921 South Londonderry by-election|1921]]
|-
| [[Sylvia Hermon]]
| [[North Down (UK Parliament constituency)|North Down]]
| [[2001 United Kingdom general election|2001]]–[[2010 United Kingdom general election|2010]] <sup>9</sup>
|-
| [[H. Montgomery Hyde]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| [[1950 United Kingdom general election|1950]]–[[1959 United Kingdom general election|1959]]
|-
| [[William Jellett]]
| [[Dublin University (constituency)|Dublin University]]
| [[1919 Dublin University by-election|1919]]–[[1922 United Kingdom general election|1922]]
|-
| [[Peter Kerr Kerr-Smiley]]
| [[Antrim North (UK Parliament constituency)|Antrim North]]
| [[January 1910 United Kingdom general election|Jan 1910]]–[[1922 United Kingdom general election|1922]]
|-
| rowspan=2 | [[James Kilfedder]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| [[1964 United Kingdom general election|1964]]–[[1970 United Kingdom general election|1970]] <sup>5</sup>
|-
| [[North Down (UK Parliament constituency)|North Down]]
| [[1970 United Kingdom general election|1970]]–1977 <sup>5</sup>
|-
| [[Danny Kinahan]]
| [[South Antrim (UK Parliament constituency)|South Antrim]]
| [[2015 United Kingdom general election|2015]]–[[2017 United Kingdom general election|2017]]
|-
| [[William Arthur Lindsay]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]<br>[[Belfast Cromac (UK Parliament constituency)|Belfast Cromac]]
|[[July 1917 Belfast South by-election|1917]] – [[1918 United Kingdom general election in Ireland|1918]]<br>[[1918 United Kingdom general election in Ireland|1918]] – [[1922 United Kingdom general election|1922]]
|-
| [[James Little (Unionist politician)|James Little]]
| [[Down (UK Parliament constituency)|Down]]
| 1939–1945 <sup>6</sup>
|-
| [[James Lonsdale (Irish politician)|James Lonsdale]]
| [[Mid Armagh (UK Parliament constituency)|Mid Armagh]]
| [[1918 Mid Armagh by-election|1918]] – [[1921 Mid Armagh by-election|1921]]
|-
| [[Robert Lynn (Northern Ireland politician)|R. J. Lynn]]
| [[Belfast Woodvale (UK Parliament constituency)|Belfast Woodvale]]<br>[[Belfast West (UK Parliament constituency)|Belfast West]]
| [[1918 United Kingdom general election|1918]]–[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1929 United Kingdom general election|1929]]
|-
| [[Robert McCalmont]]
| [[East Antrim (UK Parliament constituency)|Antrim East]]
| [[1913 East Antrim by-election|1913]] – [[1919 East Antrim by-election|1919]]
|-
| [[Thomas Edward McConnell]]
| [[Belfast Duncairn (UK Parliament constituency)|Belfast Duncairn]]; [[Belfast North (UK Parliament constituency)|Belfast North]]
| 1921–1922, 1922–1929
|-
| [[Harold McCusker]]
| [[Armagh (UK Parliament constituency)|Armagh]]; [[Upper Bann (UK Parliament constituency)|Upper Bann]]
| 1974–1983, 1983–1990
|-
| [[Alan McKibbin]]
| [[Belfast East (UK Parliament constituency)|Belfast East]]
| 1950–1959
|-
| [[Patricia McLaughlin]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| 1955–1964
|-
| [[J. G. MacManaway]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| 1950
|-
| [[Stanley McMaster]]
| [[Belfast East (UK Parliament constituency)|Belfast East]]
| 1959–1974
|-
| [[Malcolm Macnaghten]]
| [[Londonderry North (UK Parliament constituency)|Londonderry North]]; [[Londonderry (UK Parliament constituency)|Londonderry]]
| 1922, 1922–1929
|-
| [[John Maginnis]]
| [[Armagh (UK Parliament constituency)|Armagh]]
| 1959–1974
|-
| [[Ken Maginnis]]
| [[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| 1983–2001
|-
| [[Stratton Mills]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| 1959–1972 <sup>7</sup>
|-
| [[Thomas Moles]]
| [[Belfast Ormeau (UK Parliament constituency)|Belfast Ormeau]]<br>[[Belfast South (UK Parliament constituency)|Belfast South]]
|[[1918 United Kingdom general election in Ireland|1918]]-[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1929 United Kingdom general election|1929]]
|-
| [[James Molyneaux]]
| [[South Antrim (UK Parliament constituency)|South Antrim]]; [[Lagan Valley (UK Parliament constituency)|Lagan Valley]]
| 1970–1983, 1983–1997
|-
| [[Charles Heron Mullan]]
| [[Down (UK Parliament constituency)|Down]]
|  1946–1950
|-
| [[William Frederick Neill]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| 1945–1950
|-
| [[Jim Nicholson (Northern Ireland politician)|Jim Nicholson]]
| [[Newry and Armagh (UK Parliament constituency)|Newry and Armagh]]
| 1983–1986
|-
| [[Hugh O'Neill, 1st Baron Rathcavan|Hugh O'Neill]]
| [[Mid Antrim (UK Parliament constituency)|Mid Antrim]]<br> [[Antrim (UK Parliament constituency)|Antrim]]<br> [[North Antrim (UK Parliament constituency)|North Antrim]]
| [[1915 Mid Antrim by-election|1915]]–[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1950 United Kingdom general election|1950]]<br>[[1950 United Kingdom general election|1950]]–[[1952 North Antrim by-election|1952]]
|-
| [[Phelim O'Neill, 2nd Baron Rathcavan|Phelim O'Neill]]
| [[North Antrim (UK Parliament constituency)|North Antrim]]
| 1953–1959
|-
| [[Lawrence Orr]]
| [[South Down (UK Parliament constituency)|South Down]]
| 1950–1974
|-
| Sir [[William Hacket Pain]]
| [[South Londonderry (UK Parliament constituency)|South Londonderry]]
| 1922
|- 
| [[Rafton Pounder]] 
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| 1953–1974
|-
| [[Enoch Powell]]
| [[South Down (UK Parliament constituency)|South Down]]
| 1974–1987 <sup>8</sup>
|-
| [[James Alexander Pringle]]
| [[Fermanagh and Tyrone (UK Parliament constituency)|Fermanagh and Tyrone]]
| 1922–1929
|-
| [[David Douglas Reid]]
| [[East Down (UK Parliament constituency)|Down East]]<br>[[Down (UK Parliament constituency)|Down]]
| [[1918 United Kingdom general election in Ireland|1918]]–[[1922 United Kingdom general election|1922]]<br>[[1922 United Kingdom general election|1922]]–[[1939 Down by-election|1939]]
|-
| [[Ronald Ross (politician)|Ronald Ross]]
| [[Londonderry (UK Parliament constituency)|Londonderry]]
| 1929–1951
|-
| [[William Ross (Northern Ireland politician)|William Ross]]
| [[Londonderry (UK Parliament constituency)|Londonderry]]; [[East Londonderry (UK Parliament constituency)|East Londonderry]]
| 1974–1983, 1983–2001
|-
| [[Arthur Warren Samuels]]
| [[Dublin University (constituency)|Dublin University]]
| [[February 1917 Dublin University by-election|1917]]–[[1919 Dublin University by-election|1919]]
|-
| [[Douglas Lloyd Savory]]
| [[Queen's University, Belfast (UK Parliament constituency)|Queen's University, Belfast]]; [[South Antrim (UK Parliament constituency)|South Antrim]]
| 1940–1950, 1950–1955
|-
| [[Robert Sharman-Crawford]]
| [[Mid Down (UK Parliament constituency)|Mid Down]]
| 1921–1922
|-
| [[John Morrow Simms]]
| [[North Down (UK Parliament constituency)|North Down]]; [[Down (UK Parliament constituency)|Down]]
| 1922, 1922–1931
|-
| [[Thomas Sinclair (politician, 1857–1940)|Thomas Sinclair]]
| [[Queen's University, Belfast (UK Parliament constituency)|Queen's University, Belfast]]
| 1918–1940
|-
| [[Walter Smiles]]
| [[Down (UK Parliament constituency)|Down]]; [[North Down (UK Parliament constituency)|North Down]]
| 1945–1950, 1950–1953
|-
| [[Martin Smyth]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| 1982–2005
|-
| [[Thomas Somerset (Northern Ireland politician)|Thomas Somerset]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| 1929–1945
|-
| [[William Stewart (Belfast South MP)|William Stewart]]
| [[Belfast South (UK Parliament constituency)|Belfast South]]
| [[1929 United Kingdom general election|1929]]–[[1945 United Kingdom general election|1945]]
|-
| [[John Taylor, Baron Kilclooney|John Taylor]]
| [[Strangford (UK Parliament constituency)|Strangford]]
| [[1983 United Kingdom general election|1983]]–[[2001 United Kingdom general election|2001]]
|-
| [[Thomas Teevan (Unionist politician)|Thomas Teevan]]
| [[Belfast West (UK Parliament constituency)|Belfast West]]
| [[1950 Belfast West by-election|1950]]–[[1951 United Kingdom general election|1951]]
|-
| [[William Thompson (Ulster Unionist politician)|William Thompson]]
| [[West Tyrone (UK Parliament constituency)|West Tyrone]]
| [[1997 United Kingdom general election|1997]]–[[2001 United Kingdom general election|2001]]
|-
| [[David Trimble]]
| [[Upper Bann (UK Parliament constituency)|Upper Bann]]
| [[1990 Upper Bann by-election|1990]]–[[2005 United Kingdom general election|2005]]
|-
| [[Cecil Walker]]
| [[Belfast North (UK Parliament constituency)|Belfast North]]
| [[1983 United Kingdom general election|1983]]–[[2001 United Kingdom general election|2001]]
|-
| [[Thomas Browne Wallace]]
| [[West Down (UK Parliament constituency)|West Down]]
| [[1921 West Down by-election|1921]]–[[1922 West Down by-election|1922]]
|-
| [[William Wellwood]]
| [[Londonderry (UK Parliament constituency)|Londonderry]]
| [[1951 Londonderry by-election|1951]]–[[1955 United Kingdom general election|1955]]
|-
| [[Harry West]]
| [[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| [[February 1974 United Kingdom general election|February]]–[[October 1974 United Kingdom general election|October 1974]]
|-
| [[William Whitla]]
| [[Queen's University, Belfast (UK Parliament constituency)|Queen's University of Belfast]]
| [[1918 United Kingdom general election in Ireland|1918]]–[[1923 United Kingdom general election|1923]]
|-
| [[Daniel Martin Wilson]]
| [[West Down (UK Parliament constituency)|West Down]]
| [[1918 United Kingdom general election in Ireland|1918]]-[[1921 West Down by-election|1921]]
|-
|-
| [[Sir Henry Wilson, 1st Baronet|Henry Wilson]]
| [[North Down (UK Parliament constituency)|North Down]]
| [[February 1922 North Down by-election|February]]–[[July 1922 North Down by-election|July 1922]]
|-
|}

:<sup>1</sup> Defected to the [[New Party (UK)|New Party]].
:<sup>2</sup> Elected in 1974 for the [[Vanguard Unionist Progressive Party]].
:<sup>3</sup> Defected to the [[Democratic Unionist Party]].
:<sup>4</sup> Elected in 1956 as an Independent Unionist.
:<sup>5</sup> Left the party to become an Independent Unionist before forming the [[Ulster Popular Unionist Party]].
:<sup>6</sup> Resigned from the party at the [[1945 United Kingdom general election|1945 general election]] in protest at being subject to a reselection due to the retirement of [[Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry|Viscount Castlereagh]], the other Ulster Unionist MP for the two member [[Down (UK Parliament constituency)|Down constituency]] and held his seat as an Independent Ulster Unionist.
:<sup>7</sup> Refused to follow the other Ulster Unionists in resigning the [[Conservative Party (UK)|Conservative]] [[whip (politics)|whip]]; later joined the [[Alliance Party of Northern Ireland]].
:<sup>8</sup> Previously Conservative MP for [[Wolverhampton South West (UK Parliament constituency)|Wolverhampton South West]] 1950–1974.
:<sup>9</sup> Left the party on 25 March 2010 to become an Independent Unionist.

== Graphical representation ==
{| class="wikitable"
!Constituency
![[1922 United Kingdom general election|1922]]
![[1923 United Kingdom general election|1923]]
![[1924 United Kingdom general election|1924]]
!''29''
![[1929 United Kingdom general election|1929]]
!''31''
![[1931 United Kingdom general election|1931]]
![[1935 United Kingdom general election|1935]]
!''38''
!''39''
!''40''
!''43''
![[1945 United Kingdom general election|1945]]
!''46''
!''48''
|-
| rowspan="2" |[[Antrim (UK Parliament constituency)|Antrim]] (Two members)
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Charles Curtis Craig|Craig]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[Sir Joseph McConnell, 2nd Baronet|McConnell]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[John Dermot Campbell|Campbell]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Samuel Gillmor Haughton|Haughton]]
|-
| colspan="15" bgcolor="{{party color|Ulster Unionist Party}}" |[[Hugh O'Neill, 1st Baron Rathcavan|O'Neill]]
|-
|[[Armagh (UK Parliament constituency)|Armagh]]
| colspan="14" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Allen (unionist politician)|Allen]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[Richard Harden (politician)|Harden]]
|-
|[[Belfast East (UK Parliament constituency)|Belfast East]]
| colspan="10" bgcolor="{{party color|Ulster Unionist Party}}" |[[Herbert Dixon, 1st Baron Glentoran|Dixon]]
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Henry Peirson Harland|Harland]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Loftus Cole|Cole]]
|-
|[[Belfast North (UK Parliament constituency)|Belfast North]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Edward McConnell|McConnell]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Somerset (Northern Ireland politician)|Somerset]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Frederick Neill|Neill]]
|-
|[[Londonderry (UK Parliament constituency)|Londonderry]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Malcolm Macnaghten|Macnaghten]]
| colspan="12" bgcolor="{{party color|Ulster Unionist Party}}" |[[Sir Ronald Ross, 2nd Baronet|Ross]]
|-
|[[Queen's University, Belfast (UK Parliament constituency)|Queen's University of Belfast]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[William Whitla|Whitla]]
| colspan="9" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Sinclair (politician, 1857–1940)|Sinclair]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Douglas Lloyd Savory|Savory]]
|-
| rowspan="2" |[[Down (UK Parliament constituency)|Down]] (Two members)
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[John Morrow Simms|Simms]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robin Vane-Tempest-Stewart, 8th Marquess of Londonderry|Vane-Tempest-Stewart]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Walter Smiles|Smiles]]
|-
| colspan="9" bgcolor="{{party color|Ulster Unionist Party}}" |[[Sir David Reid, 1st Baronet|Reid]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Little (Unionist politician)|Little]]
| 
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Charles Heron Mullan|Mullan]]
|-
|[[Belfast South (UK Parliament constituency)|Belfast South]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Moles|Moles]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Stewart (Belfast MP)|Stewart]]
| colspan="4" |
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Conolly Hugh Gage|Gage]]
|-
|[[Belfast West (UK Parliament constituency)|Belfast West]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robert Lynn (Northern Ireland politician)|Lynn]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[W. E. D. Allen|Allen]]
| 
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Alexander Browne|Browne]]
| colspan="4" |
|-
| rowspan="2" |[[Fermanagh and Tyrone (UK Parliament constituency)|Fermanagh and Tyrone]] (Two members)
| colspan="2" |
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Pringle (Northern Ireland politician)|Pringle]]
| colspan="11" |
|-
| colspan="2" |
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Charles Fausset Falls|Falls]]
| colspan="11" |
|-
!No. of UUP MPs
!11
!11
!13
!13
!11
!10
!11
!11
!10
!10
!10
!9
!9
!10
!10
|}
{| class="wikitable"
!Constituency
![[1950 United Kingdom general election|1950]]
!''51''
![[1951 United Kingdom general election|1951]]
!''52''
!''53''
!''54''
![[1955 United Kingdom general election|1955]]
!''57''
!''59''
![[1959 United Kingdom general election|1959]]
!''63''
![[1964 United Kingdom general election|1964]]
![[1966 United Kingdom general election|1966]]
!''69''
![[1970 United Kingdom general election|1970]]
!''72''
![[February 1974 United Kingdom general election|Feb 74]]
![[October 1974 United Kingdom general election|Oct 74]]
!''77''
!''78''
![[1979 United Kingdom general election|1979]]
!''81''
|-
|[[Antrim South (UK Parliament constituency)|Antrim South]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Douglas Lloyd Savory|Savory]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[Knox Cunningham|Cunningham]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Molyneaux, Baron Molyneaux of Killead|Molyneaux]]
|-
|[[Armagh (UK Parliament constituency)|Armagh]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Richard Harden (politician)|Harden]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[C W Armstrong|Armstrong]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[John Maginnis|Maginnis]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Harold McCusker|McCusker]]
|-
|[[Down South (UK Parliament constituency)|Down South]]
| colspan="17" bgcolor="{{party color|Ulster Unionist Party}}" |[[Lawrence Orr|Orr]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Enoch Powell|Powell]]
|-
|[[Londonderry (UK Parliament constituency)|Londonderry]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[Sir Ronald Ross, 2nd Baronet|Ross]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Wellwood|Wellwood]]
| colspan="10" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robin Chichester-Clark|Chichester-Clark]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Ross (Unionist politician)|Ross]]
|-
|[[Down North (UK Parliament constituency)|Down North]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Walter Smiles|Smiles]]
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Patricia Ford (politician)|Ford]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[George Currie (Northern Irish politician)|Currie]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Kilfedder|Kilfedder]]
| colspan="4" |
|-
|[[Belfast East (UK Parliament constituency)|Belfast East]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[Alan McKibbin|McKibbin]]
| colspan="8" bgcolor="{{party color|Ulster Unionist Party}}" |[[Stanley McMaster|McMaster]]
| colspan="3" |
| bgcolor="{{party color|Ulster Unionist Party}}" |[[William Craig (Northern Ireland politician)|Craig]]
| colspan="2" |
|-
|[[Belfast South (UK Parliament constituency)|Belfast South]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Conolly Hugh Gage|Gage]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[David Campbell (South Belfast MP)|Campbell]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Rafton Pounder|Pounder]]
| colspan="2" |
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robert Bradford (Northern Irish politician)|Bradford]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[Martin Smyth|Smyth]]
|-
|[[Belfast North (UK Parliament constituency)|Belfast North]]
| colspan="9" bgcolor="{{party color|Ulster Unionist Party}}" |[[H. Montgomery Hyde|Hyde]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Stratton Mills|Mills]]
|
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[John Carson (Northern Ireland politician)|Carson]]
| colspan="2" |
|-
|[[Antrim North (UK Parliament constituency)|Antrim North]]
| colspan="4" bgcolor="{{party color|Ulster Unionist Party}}" |[[Hugh O'Neill, 1st Baron Rathcavan|H. O'Neill]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Phelim O'Neill, 2nd Baron Rathcavan|P. O'Neill]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Henry Maitland Clark|Clark]]
| colspan="8" |
|-
|[[Belfast West (UK Parliament constituency)|Belfast West]]
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Thomas Teevan (Unionist politician)|Teevan]]
| colspan="4" |
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Patricia McLaughlin|McLaughlin]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[James Kilfedder|Kilfedder]]
| colspan="10" |
|-
|[[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| colspan="6" |
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robert Grosvenor, 5th Duke of Westminster|Grosvenor]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Hamilton, 5th Duke of Abercorn|Hamilton]]
| colspan="2" |
| bgcolor="{{party color|Ulster Unionist Party}}" |[[Harry West|West]]
| colspan="5" |
|-
|[[Mid Ulster (UK Parliament constituency)|Mid Ulster]]
| colspan="7" |
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[George Forrest (Northern Ireland politician)|Forrest]]
| colspan="9" |
|-
!No. of UUP MPs
!10
!10
!9
!9
!9
!9
!11
!12
!12
!12
!12
!12
!11
!10
!8
!7
!7
!6
!6
!7
!5
!5
|}
{| class="wikitable"
!Constituency
![[1983 United Kingdom general election|1983]]
!''[[1986 Newry and Armagh by-election|86]]''
![[1987 United Kingdom general election|1987]]
!''[[1990 Upper Bann by-election|90]]''
![[1992 United Kingdom general election|1992]]
![[1997 United Kingdom general election|1997]]
!''[[2000 South Antrim by-election|00]]''
![[2001 United Kingdom general election|2001]]
!''04''
![[2005 United Kingdom general election|2005]]
!''10''
![[2010 United Kingdom general election|2010]]
![[2015 United Kingdom general election|2015]]
![[2017 United Kingdom general election|2017]]
![[2019 United Kingdom general election|2019]]
![[2024 United Kingdom general election|2024]]
|-
|[[Antrim East (UK Parliament constituency)|Antrim East]]
| colspan="9" bgcolor="{{party color|Ulster Unionist Party}}" |[[Roy Beggs|{{font color|black||Beggs}}]]
| colspan="7" |
|-
|[[Upper Bann (UK Parliament constituency)|Upper Bann]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Harold McCusker|{{font color|black||McCusker}}]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[David Trimble|{{font color|black||Trimble}}]]
| colspan="7" |
|-
|[[Belfast South and Mid Down (UK Parliament constituency)|Belfast South / and Mid Down]]
| colspan="9" bgcolor="{{party color|Ulster Unionist Party}}" |[[Martin Smyth|{{font color|black||Smyth}}]]
| colspan="7" |
|-
|[[Lagan Valley (UK Parliament constituency)|Lagan Valley]]
| colspan="5" bgcolor="{{party color|Ulster Unionist Party}}" |[[James Molyneaux, Baron Molyneaux of Killead|{{font color|black||Molyneaux}}]]
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Jeffrey Donaldson|{{font color|black||Donaldson}}]]
| colspan="8" |
|-
|[[Belfast North (UK Parliament constituency)|Belfast North]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[Cecil Walker|{{font color|black||Walker}}]]
| colspan="9" |
|-
|[[Fermanagh and South Tyrone (UK Parliament constituency)|Fermanagh and South Tyrone]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[Ken Maginnis|{{font color|black||Maginnis}}]]
| colspan="5" |
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Tom Elliott (politician)|{{font color|black||Elliott}}]]
|-
|[[Londonderry East (UK Parliament constituency)|Londonderry East]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Ross (Unionist politician)|{{font color|black||Ross}}]]
| colspan="9" |
|-
|[[Strangford (UK Parliament constituency)|Strangford]]
| colspan="7" bgcolor="{{party color|Ulster Unionist Party}}" |[[John Taylor, Baron Kilclooney|{{font color|black||Taylor}}]]
| colspan="9" |
|-
|[[Antrim South (UK Parliament constituency)|Antrim South]]
| colspan="6" bgcolor="{{party color|Ulster Unionist Party}}" |[[Clifford Forsythe|{{font color|black||Forsythe}}]]
|
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[David Burnside|{{font color|black||Burnside}}]]
| colspan="3" |
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Danny Kinahan|{{font color|black||Kinahan}}]]
|
| colspan="1" bgcolor="{{party color|Ulster Unionist Party}}" |[[Robin Swann|{{font color|black||Swann}}]]
|-
|[[Down South (UK Parliament constituency)|Down South]]
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[Enoch Powell|{{font color|black||Powell}}]]
| colspan="14" |
|-
|[[Newry and Armagh (UK Parliament constituency)|Newry and Armagh]]
| bgcolor="{{party color|Ulster Unionist Party}}" |[[Jim Nicholson (Northern Ireland politician)|{{font color|black||Nicholson}}]]
| colspan="15" |
|-
|[[West Tyrone (UK Parliament constituency)|West Tyrone]]
| colspan="5" |
| colspan="2" bgcolor="{{party color|Ulster Unionist Party}}" |[[William Thompson (Ulster Unionist politician)|{{font color|black||Thompson}}]]
| colspan="9" |
|-
|[[Down North (UK Parliament constituency)|Down North]]
| colspan="7" |
| colspan="3" bgcolor="{{party color|Ulster Unionist Party}}" |[[Sylvia Hermon|{{font color|black||Hermon}}]]
| colspan="6" |
|-
!Constituency
!11
!10
!9
!9
!9
!10
!9
!6
!5
!1
!0
!0
!2
!0
!0
!1
|}
{{UnitedKingdomMPs}}
{{UUP}}

[[Category:Lists of MPs for constituencies in Northern Ireland|Ulster Unionist]]
[[Category:Lists of United Kingdom MPs by party|Ulster Unionist]]
[[Category:Ulster Unionist Party]]
[[Category:Ulster Unionist Party MPs| List of MPs]]