List of Northern Ireland Parliament by-elections explained

This is a list of by-elections to the Northern Ireland House of Commons, from its creation in 1921 until its abolition in 1972.

Date	Constituency	Incumbent			Winner			Cause
2 May 1923	Belfast West	William Twaddell		Philip James Woods		Death
6 November 1925	Belfast South	Philip James Woods		Anthony Babington		Declined seat in favour of Belfast West
25 November 1925	Armagh	Richard Best		John Clarke Davison		Appointed Lord Justice of Appeal
10 November 1930	North Tyrone	William Thomas Miller		James Fulton Gamble		Death
4 June 1934	Belfast Central	Joseph Devlin		Thomas Joseph Campbell		Death
22 March 1935	Queen's University of Belfast	Robert McNeill		Arthur Brownlow Mitchell		Resignation
2 April 1937	Belfast Ballynafeigh	Thomas Moles		Frederick Thompson		Death
7 May 1937	Foyle	James Joseph McCarroll		Patrick Maxwell		Death
27 May 1937	Larne	George Boyle Hanna		Harold Claude Robinson		Resignation
	Mid Armagh	John Clarke Davison		Norman Stronge		Resignation
5 December 1938	Queen's University of Belfast	Robert James Johnstone		Howard Stevenson		Death
27 April 1939	City of Londonderry	Edward Sullivan Murphy		William Lowry		Death
10 November 1939	Bannside	George Charles Gillespie Young		Malcolm Patrick		Death
15 March 1941	Central Armagh	David Shillington		George Dougan		Death
27 March 1941	North Down	James Craig		Thomas Bailie		Death
2 July 1941	Mid Tyrone	Hugh McAleer		Michael McGurk		Death
3 December 1941	Belfast Willowfield	Arthur Black		Harry Midgley		Resignation
2 April 1942	Belfast Falls	Richard Byrne		Eamon Donnelly		Death
19 October 1942	Queen's University of Belfast	Arthur Brownlow Mitchell		William Lyle		Death
2 July 1943	Queen's University of Belfast	Robert Corkey		John W. Renshaw		Resignation
11 August 1943	North Tyrone	James Gamble		Thomas Lyons		Death
26 August 1943	Carrick	John Fawcett Gordon		John Dermot Campbell		Resignation
13 December 1944	Queen's University of Belfast	John MacDermott		Herbert Quin		Appointed High Court Judge
12 April 1945	South Tyrone	Rowley Elliott		W. F. McCoy		Death
19 April 1945	Carrick	John Dermot Campbell		Lancelot Curran		Death
19 April 1945	Larne	Harold Claude Robinson		Walter Topping		Death
15 October 1945	North Antrim	Robert Lynn		William McCleery		Death
22 August 1946	Belfast Central	Thomas Joseph Campbell		Frank Hanna		Resignation
7 November 1946	Bannside	Malcolm Patrick		Terence O'Neill		Death
27 June 1947	City of Londonderry	William Lowry		James Godfrey MacManaway		Resignation
20 April 1948	Queen's University, Belfast	Frederick McSorley		Samuel Irwin		Death
16 August 1948	Mid Tyrone	Michael McGurk		Edward McCullagh		Death
24 October 1949	Enniskillen	Erne Ferguson		Thomas Charles Nelson		Resignation
15 November 1949	Queen's University, Belfast	William Lyle		Frederick Lloyd-Dodd		Death
29 November 1949	Belfast Duncairn	William Grant		George Boyle Hanna		Death
20 January 1950	Carrick	Lancelot Curran		Alexander Hunter		Resignation
4 April 1950	Belfast Woodvale	John William Nixon		Robert Harcourt		Death
31 October 1950	Belfast Bloomfield	Herbert Dixon		Daniel Dixon		Death
6 December 1950	South Armagh	Malachy Conlon		Charles McGleenan		Death
2 February 1951	Antrim Borough	Hugh Minford		Nat Minford		Death
18 June 1951	City of Londonderry	James Godfrey MacManaway		Edward Warburton Jones		Resignation
10 December 1951	South Antrim	John Milne Barbour		Brian McConnell		Death
8 May 1954	Enniskillen	Thomas Charles Nelson		Harry West		Death
15 October 1955	Central Armagh	George Dougan		Isaac Hawthorne		Death
15 November 1955	Belfast Woodvale	Robert Harcourt		Neville Martin		Elected Lord Mayor of Belfast
23 November 1956	Belfast Windsor	Archibald Wilson		Herbert Kirk		Resignation
4 December 1956	Belfast Duncairn	George Boyle Hanna		William Fitzsimmons		Resignation
5 March 1959	West Down	John Edgar Bailey		David John Little		Death
28 May 1959	Belfast Clifton	Robin Kinahan		William James Morgan		Elected Lord Mayor of Belfast
5 February 1960	Larne	Walter Topping		William Craig		Resignation
16 February 1960	Belfast Shankill	Henry Holmes		Desmond Boal		Resignation
9 July 1960	South Londonderry	Dehra Parker		James Chichester-Clark		Resignation
29 November 1960	North Londonderry	Robert Moore		Joseph Burns		Death
20 April 1961	Belfast Bloomfield	Daniel Dixon		Walter Scott		Resignation
22 November 1961	Queen's University, Belfast	Samuel Irwin		Sheelagh Murnaghan		Death
6 December 1962	Belfast Cromac	Joseph Morgan		William Kennedy		Death
9 May 1964	Iveagh	Brian Maginess		Samuel Magowan		Appointed County Court Judge
30 June 1964	East Tyrone	Joseph Francis Stewart		Austin Currie		Death
3 December 1964	Mid Down	John L. O. Andrews		Basil Kelly		Elected to Senate
19 June 1965	West Down	David John Little		John Dobson		Appointed Recorder of Londonderry
23 November 1966	Queen's University, Belfast	Charles Stewart		Robert Porter		Resignation
25 May 1967	South Down	Joseph Connellan		Michael Keogh		Death
22 March 1968	Lisnaskea	Basil Brooke		John Brooke		Resignation
16 May 1968	City of Londonderry	Edward Warburton Jones		Albert Anderson		Appointed High Court Judge
6 November 1968	South Antrim	Brian McConnell		Richard Ferguson		Resignation
16 April 1970	Bannside	Terence O'Neill		Ian Paisley		Resignation
16 April 1970	South Antrim	Richard Ferguson		William Beattie		Resignation
	Belfast St Anne's	Norman Laird		John Laird		Death

References

• Biographies of Members of the Northern Ireland House of Commons