List of Dáil by-elections
By-elections since 1923
By-elections in which seats changed hands are indicated with a grey background.

List of Dáil by-elections

Section Title: By-elections since 1923
Table Section Text: By-elections in which seats changed hands are indicated with a grey background.

Winner	Party	Constituency	Date	Dáil	Outgoing	Party	Reason for vacancy

Hugh Kennedy	CnaG	Dublin South	27 October 1923	4th Dáil	Michael Hayes	CnaG	Hayes was elected in two constituencies and opted to represent the NUI

Patrick McGilligan	CnaG	NUI	3 November 1923	4th Dáil	Eoin MacNeill	CnaG	MacNeill was elected in two constituencies and opted to represent Clare.

James O'Mara	CnaG	Dublin South	12 March 1924	4th Dáil	Philip Cosgrave	CnaG	Death of Philip Cosgrave

Batt O'Connor	CnaG	Dublin County	19 March 1924	4th Dáil	Michael Derham	CnaG	Death of Michael Derham

Richard O'Connell	CnaG	Limerick	28 May 1924	4th Dáil	Richard Hayes	CnaG	Resignation of Richard Hayes

Michael Noonan	CnaG	Cork East	18 November 1924	4th Dáil	Thomas O'Mahony	CnaG	Death of Thomas O'Mahony

Seán Lemass	Rep	Dublin South	18 November 1924	4th Dáil	Hugh Kennedy	CnaG	Appointment of Hugh Kennedy as Chief Justice

John Madden	Rep	Mayo North	18 November 1924	4th Dáil	Henry Coyle	CnaG	Disqualification of Henry Coyle

Michael Egan	CnaG	Cork Borough	19 November 1924	4th Dáil	Alfred O'Rahilly	CnaG	Resignation of Alfred O'Rahilly

Denis McCullough	CnaG	Donegal	20 November 1924	4th Dáil	Peter J. Ward	CnaG	Resignation of Peter J. Ward

Thomas Bolger	CnaG	Carlow–Kilkenny	11 March 1925	4th Dáil	Seán Gibbons	CnaG	Resignation of Seán Gibbons

John Joe O'Reilly	CnaG	Cavan	11 March 1925	4th Dáil	Seán Milroy	CnaG	Resignation of Seán Milroy

Patrick Leonard	CnaG	Dublin North	11 March 1925	4th Dáil	Francis Cahill	CnaG	Resignation of Francis Cahill on 30 October 1924

Oscar Traynor	Rep	Dublin North	11 March 1925	4th Dáil	Seán McGarry	CnaG	Resignation of Seán McGarry on 30 October 1924

Thomas Hennessy	CnaG	Dublin South	11 March 1925	4th Dáil	Daniel McCarthy	CnaG	Resignation of Daniel McCarthy

Samuel Holt	Rep	Leitrim–Sligo	11 March 1925	4th Dáil	Thomas Carter	CnaG	Resignation of Thomas Carter on 30 October 1924

Martin Roddy	CnaG	Leitrim–Sligo	11 March 1925	4th Dáil	Alexander McCabe	CnaG	Resignation of Alexander McCabe

Michael Tierney	CnaG	Mayo North	11 March 1925	4th Dáil	Joseph McGrath	CnaG	Resignation of Joseph McGrath on 29 October 1924

Martin Conlon	CnaG	Roscommon	11 March 1925	4th Dáil	Henry Finlay	CnaG	Resignation of Henry Finlay

William Norton	Lab	Dublin County	18 February 1926	4th Dáil	Darrell Figgis	Ind	Death of Darrell Figgis

James Dwyer	CnaG	Leix–Offaly	18 February 1926	4th Dáil	Seán McGuinness	Rep	Disqualification of Seán McGuinness

Gearóid O'Sullivan	CnaG	Dublin County	24 August 1927	5th Dáil	Kevin O'Higgins	CnaG	Assassination of Kevin O'Higgins

Thomas Hennessy	CnaG	Dublin South	24 August 1927	5th Dáil	Constance Markievicz	FF	Death of Constance Markievicz

Denis Gorey	CnaG	Carlow–Kilkenny	3 November 1927	6th Dáil	W. T. Cosgrave	CnaG	Cosgrave was elected in two constituencies and opted to represent Cork Borough

Vincent Rice	CnaG	Dublin North	3 April 1928	6th Dáil	James Larkin	IWL	Disqualification of James Larkin due to bankruptcy

Thomas F. O'Higgins	CnaG	Dublin North	14 March 1929	6th Dáil	Alfie Byrne	Ind	Election of Alfie Byrne to Seanad Éireann

Seán Mac Eoin	CnaG	Leitrim–Sligo	7 June 1929	6th Dáil	Samuel Holt	FF	Death of Samuel Holt

James Geoghegan	FF	Longford–Westmeath	13 June 1930	6th Dáil	James Killane	FF	Death of James Killane

Thomas Finlay	CnaG	Dublin County	9 December 1930	6th Dáil	Bryan Cooper	CnaG	Death of Bryan Cooper

Thomas Harris	FF	Kildare	29 June 1931	6th Dáil	Hugh Colohan	Lab	Death of Hugh Colohan

Robert Rowlette	Ind	University of Dublin	13 October 1933	8th Dáil	James Craig	Ind	Death of James Craig

Cecil Lavery	FG	Dublin County	17 June 1935	8th Dáil	Batt O'Connor	FG	Death of Batt O'Connor

Eamon Corbett	FF	Galway	19 June 1935	8th Dáil	Martin McDonogh	FG	Death of Martin McDonogh

Martin Neilan	FF	Galway	13 August 1936	8th Dáil	Patrick Hogan	FG	Death of Patrick Hogan

Denis Allen	FF	Wexford	17 August 1936	8th Dáil	Osmond Esmonde	FG	Death of Osmond Esmonde

John McCann	FF	Dublin South	6 June 1939	10th Dáil	James Beckett	FG	Death of James Beckett

John J. Keane	FF	Galway West	30 May 1940	10th Dáil	Seán Tubridy	FF	Death of Seán Tubridy

Donal O'Donoghue	FF	Kerry South	10 November 1944	12th Dáil	Fionán Lynch	FG	Appointment of Fionán Lynch as a Judge

Patrick Shanahan	FF	Clare	4 December 1945	12th Dáil	Patrick Burke	FG	Death of Patrick Burke

Vivion de Valera	FF	Dublin North-West	4 December 1945	12th Dáil	Seán T. O'Kelly	FF	Election of Seán T. O'Kelly as President

Honor Crowley	FF	Kerry South	4 December 1945	12th Dáil	Frederick Crowley	FF	Death of Frederick Crowley

Bernard Commons	CnaT	Mayo South	4 December 1945	12th Dáil	Micheál Clery	FF	Appointment of Micheál Clery as County Registrar of Dublin

Brendan Corish	Lab	Wexford	4 December 1945	12th Dáil	Richard Corish	Lab	Death of Richard Corish

Patrick McGrath	FF	Cork Borough	14 June 1946	12th Dáil	William Dwyer	Ind	Resignation of William Dwyer

Seán MacBride	CnaP	Dublin County	29 October 1947	12th Dáil	Patrick Fogarty	FF	Death of Patrick Fogarty

Patrick Kinane	CnaP	Tipperary	29 October 1947	12th Dáil	William O'Donnell	CnaT	Death of William O'Donnell

John Ormonde	FF	Waterford	29 October 1947	12th Dáil	Michael Morrissey	FF	Death of Michael Morrissey

Neil Blaney	FF	Donegal East	7 December 1948	13th Dáil	Neal Blaney	FF	Death of Neal Blaney

William J. Murphy	Lab	Cork West	15 June 1949	13th Dáil	Timothy J. Murphy	Lab	Death of Timothy J. Murphy

Patrick O'Donnell	FG	Donegal West	16 November 1949	13th Dáil	Brian Brady	FF	Death of Brian Brady

John Carew	FG	Limerick East	26 June 1952	14th Dáil	Daniel Bourke	FF	Death of Daniel Bourke

Phelim Calleary	FF	Mayo North	26 June 1952	14th Dáil	P. J. Ruttledge	FF	Death of P. J. Ruttledge

William Kenneally	FF	Waterford	26 June 1952	14th Dáil	Bridget Redmond	FG	Death of Bridget Redmond

Thomas Byrne	Ind	Dublin North-West	12 November 1952	14th Dáil	A. P. Byrne	Ind	Death of A. P. Byrne

Richard Barry	FG	Cork East	18 June 1953	14th Dáil	Seán Keane	Lab	Death of Seán Keane

Mark Deering	FG	Wicklow	18 June 1953	14th Dáil	Thomas Brennan	FF	Death of Thomas Brennan

Robert Lahiffe	FF	Galway South	21 August 1953	14th Dáil	Frank Fahy	FF	Death of Frank Fahy

Stephen Barrett	FG	Cork Borough	3 March 1954	14th Dáil	Thomas F. O'Higgins	FG	Death of Thomas F. O'Higgins

George Coburn	FG	Louth	3 March 1954	14th Dáil	James Coburn	FG	Death of James Coburn

Michael Colbert	FF	Limerick West	13 December 1955	15th Dáil	David Madden	FG	Death of David Madden

Kathleen O'Connor	CnaP	Kerry North	29 February 1956	15th Dáil	Johnny Connor	CnaP	Death of Johnny Connor

Patrick Byrne	Ind	Dublin North-East	30 April 1956	15th Dáil	Alfie Byrne	Ind	Death of Alfie Byrne

Kieran Egan	FF	Leix–Offaly	30 April 1956	15th Dáil	William Davin	Lab	Death of William Davin

John Galvin	FF	Cork Borough	2 August 1956	15th Dáil	Patrick McGrath	FF	Death of Patrick McGrath

Martin Medlar	FF	Carlow–Kilkenny	14 November 1956	15th Dáil	Thomas Walsh	FF	Death of Thomas Walsh

Noel Lemass	FF	Dublin South-West	14 November 1956	15th Dáil	Peadar Doyle	FG	Death of Peadar Doyle

Frank Sherwin	Ind	Dublin North-Central	14 November 1957	16th Dáil	Colm Gallagher	FF	Death of Colm Gallagher

Anthony Millar	FF	Galway South	30 May 1958	16th Dáil	Patrick Beegan	FF	Death of Patrick Beegan

Patrick Cummins	FF	Dublin South-Central	25 June 1958	16th Dáil	Jack Murphy	Ind	Resignation of Jack Murphy

Seán Ó Ceallaigh	FF	Clare	22 July 1959	16th Dáil	Éamon de Valera	FF	Election of Éamon de Valera as President

Richie Ryan	FG	Dublin South-West	22 July 1959	16th Dáil	Bernard Butler	FF	Death of Bernard Butler

Henry Johnston	FF	Meath	22 July 1959	16th Dáil	James Griffin	FF	Death of James Griffin

Patrick Teehan	FF	Carlow–Kilkenny	23 June 1960	16th Dáil	Joseph Hughes	FG	Death of Joseph Hughes

Joseph McLoughlin	FG	Sligo–Leitrim	1 March 1961	16th Dáil	Stephen Flynn	FF	Death of Stephen Flynn

Paddy Belton	FG	Dublin North-East	30 May 1963	17th Dáil	Jack Belton	FG	Death of Jack Belton

Sheila Galvin	FF	Cork Borough	19 February 1964	17th Dáil	John Galvin	FF	Death of John Galvin

Terence Boylan	FF	Kildare	19 February 1964	17th Dáil	William Norton	Lab	Death of William Norton

Joan Burke	FG	Roscommon	8 July 1964	17th Dáil	James Burke	FG	Death of James Burke

John Donnellan	FG	Galway East	3 December 1964	17th Dáil	Michael Donnellan	CnaT	Death of Michael Donnellan

Eileen Desmond	Lab	Cork Mid	10 March 1965	17th Dáil	Dan Desmond	Lab	Death of Dan Desmond

John O'Leary	FF	Kerry South	7 December 1966	18th Dáil	Honor Crowley	FF	Death of Honor Crowley

Fad Browne	FF	Waterford	7 December 1966	18th Dáil	Thaddeus Lynch	FG	Death of Thaddeus Lynch

Seán French	FF	Cork Borough	9 November 1967	18th Dáil	Seán Casey	Lab	Death of Seán Casey

Gerry Collins	FF	Limerick West	9 November 1967	18th Dáil	James Collins	FF	Death of James Collins

Sylvester Barrett	FF	Clare	14 March 1968	18th Dáil	William Murphy	FG	Death of William Murphy

Godfrey Timmins	FG	Wicklow	14 March 1968	18th Dáil	James Everett	Lab	Death of James Everett

Desmond O'Malley	FF	Limerick East	22 May 1968	18th Dáil	Donogh O'Malley	FF	Death of Donogh O'Malley

Seán Sherwin	FF	Dublin South-West	4 March 1970	19th Dáil	Seán Dunne	Lab	Death of Seán Dunne

Patrick Malone	FG	Kildare	14 April 1970	19th Dáil	Gerard Sweetman	FG	Death of Gerard Sweetman

Patrick Cooney	FG	Longford–Westmeath	14 April 1970	19th Dáil	Patrick Lenihan	FF	Death of Patrick Lenihan

Patrick Delap	FF	Donegal–Leitrim	2 December 1970	19th Dáil	Patrick O'Donnell	FG	Death of Patrick O'Donnell

Larry McMahon	FG	Dublin County South	2 December 1970	19th Dáil	Kevin Boland	FF	Resignation of Kevin Boland

Gene Fitzgerald	FF	Cork Mid	2 August 1972	19th Dáil	Paddy Forde	FF	Death of Paddy Forde

Brendan Toal	FG	Monaghan	27 November 1973	20th Dáil	Erskine H. Childers	FF	Election of Erskine H. Childers as President

Seán Brosnan	FF	Cork North-East	13 November 1974	20th Dáil	Liam Ahern	FF	Death of Liam Ahern

Michael P. Kitt	FF	Galway North-East	4 March 1975	20th Dáil	Michael F. Kitt	FF	Death of Michael F. Kitt

Máire Geoghegan-Quinn	FF	Galway West	4 March 1975	20th Dáil	Johnny Geoghegan	FF	Death of Johnny Geoghegan

Enda Kenny	FG	Mayo West	12 November 1975	20th Dáil	Henry Kenny	FG	Death of Henry Kenny

Paddy Keaveney	IFF	Donegal North-East	10 June 1976	20th Dáil	Liam Cunningham	FF	Death of Liam Cunningham

Brendan Halligan	Lab	Dublin South-West	10 June 1976	20th Dáil	Noel Lemass	FF	Death of Noel Lemass

Liam Burke	FG	Cork City	7 November 1979	21st Dáil	Patrick Kerrigan	Lab	Death of Patrick Kerrigan

Myra Barry	FG	Cork North-East	7 November 1979	21st Dáil	Seán Brosnan	FF	Death of Seán Brosnan

Clement Coughlan	FF	Donegal	6 November 1980	21st Dáil	Joseph Brennan	FF	Death of Joseph Brennan

Liam Skelly	FG	Dublin West	25 May 1982	23rd Dáil	Richard Burke	FG	Resignation of Burke on appointment as EU Commissioner

Noel Treacy	FF	Galway East	20 July 1982	23rd Dáil	Johnny Callanan	FF	Death of Johnny Callanan

Cathal Coughlan	FF	Donegal South-West	13 May 1983	24th Dáil	Clement Coughlan	FF	Death of Clement Coughlan

Tom Leonard	FF	Dublin Central	23 November 1983	24th Dáil	George Colley	FF	Death of George Colley

Brian Cowen	FF	Laois–Offaly	14 June 1984	24th Dáil	Bernard Cowen	FF	Death of Bernard Cowen

Eric Byrne	DL	Dublin South-Central	9 June 1994	27th Dáil	John O'Connell	FF	Resignation of John O'Connell

Michael Ring	FG	Mayo West	9 June 1994	27th Dáil	Pádraig Flynn	FF	Resignation of Pádraig Flynn on appointment as EU Commissioner

Kathleen Lynch	DL	Cork North-Central	10 November 1994	27th Dáil	Gerry O'Sullivan	Lab	Death of Gerry O'Sullivan

Hugh Coveney	FG	Cork South-Central	10 November 1994	27th Dáil	Pat Cox	PD	Resignation of Pat Cox after election as MEP

Mildred Fox	Ind	Wicklow	29 June 1995	27th Dáil	Johnny Fox	Ind	Death of Johnny Fox

Cecilia Keaveney	FF	Donegal North-East	2 April 1996	27th Dáil	Neil Blaney	IFF	Death of Neil Blaney

Brian Lenihan Jnr	FF	Dublin West	2 April 1996	27th Dáil	Brian Lenihan Snr	FF	Death of Brian Lenihan Snr

Jan O'Sullivan	Lab	Limerick East	11 March 1998	28th Dáil	Jim Kemmy	Lab	Death of Jim Kemmy

Seán Ryan	Lab	Dublin North	11 March 1998	28th Dáil	Ray Burke	FF	Resignation of Ray Burke

Simon Coveney	FG	Cork South-Central	23 October 1998	28th Dáil	Hugh Coveney	FG	Death of Hugh Coveney

Mary Upton	Lab	Dublin South-Central	27 October 1999	28th Dáil	Pat Upton	Lab	Death of Pat Upton

Séamus Healy	Ind	Tipperary South	22 June 2000	28th Dáil	Michael Ferris	Lab	Death of Michael Ferris

Tom Hayes	FG	Tipperary South	30 June 2001	28th Dáil	Theresa Ahearn	FG	Death of Theresa Ahearn

Catherine Murphy	Ind	Kildare North	11 March 2005	29th Dáil	Charlie McCreevy	FF	Resignation of Charlie McCreevy on appointment as EU Commissioner

Shane McEntee	FG	Meath	11 March 2005	29th Dáil	John Bruton	FG	Resignation of John Bruton on appointment as EU Ambassador to the United States

George Lee	FG	Dublin South	5 June 2009	30th Dáil	Séamus Brennan	FF	Death of Séamus Brennan

Maureen O'Sullivan	Ind	Dublin Central	5 June 2009	30th Dáil	Tony Gregory	Ind	Death of Tony Gregory

Pearse Doherty	SF	Donegal South-West	25 November 2010	30th Dáil	Pat "the Cope" Gallagher	FF	Election of Pat "the Cope" Gallagher to the European Parliament

Patrick Nulty	Lab	Dublin West	27 October 2011	31st Dáil	Brian Lenihan Jnr	FF	Death of Brian Lenihan Jnr

Helen McEntee	FG	Meath East	27 March 2013	31st Dáil	Shane McEntee	FG	Death of Shane McEntee

Ruth Coppinger	SP	Dublin West	23 May 2014	31st Dáil	Patrick Nulty	Ind	Resignation of Patrick Nulty

Gabrielle McFadden	FG	Longford–Westmeath	23 May 2014	31st Dáil	Nicky McFadden	FG	Death of Nicky McFadden

Paul Murphy	AAA	Dublin South-West	10 October 2014	31st Dáil	Brian Hayes	FG	Election of Brian Hayes to the European Parliament

Michael Fitzmaurice	Ind	Roscommon–South Leitrim	10 October 2014	31st Dáil	Luke 'Ming' Flanagan	Ind	Election of Luke 'Ming' Flanagan to the European Parliament

Bobby Aylward	FF	Carlow–Kilkenny	22 May 2015	31st Dáil	Phil Hogan	FG	Resignation of Phil Hogan on appointment as EU Commissioner

Sentence(s)

The by-election for Thomas O'Mahony's Dáil seat was held on 18 November 1924, and won by the Cumann na nGaedheal candidate Michael K. Noonan.

final_sentence: The by-election for Thomas O'Mahony's Dáil seat was held on 18 November 1924, and won by the Cumann na nGaedheal candidate Michael K. Noonan.