Families in the Oireachtas

• son, daughter, grandson or granddaughter
• father, mother, grandfather or grandmother
• nephew, niece, grandnephew or grandniece
• uncle, aunt, great uncle or great aunt
• sibling or first cousin
• spouse
• connected by marriage

A

• Theresa Ahearn : FG TD Tipperary South 1989–2000
• * her son Garret Ahearn: FG Senator 2020–
• Bertie Ahern : FF TD Dublin Central 1977–2011
• *his brother Noel Ahern : FF TD Dublin North-West 1992–2011
• Kit Ahern : FF Senator 1965–1977, FF TD Kerry North 1977–1981
• *her cousin Ned O'Sullivan : FF Senator 2007–
• Ernest Alton : Ind TD Dublin University 1922–1937, Ind Senator 1938–1943
• *his nephew Bryan Alton : Ind Senator 1965–1973
• David Andrews : FF TD Dún Laoghaire 1965–2002
• *his son Barry Andrews : FF TD Dún Laoghaire 2002–2011
• *his brother Niall Andrews : FF TD Dublin South 1977–1987, MEP Dublin 1984–2004
• **Niall's son Chris Andrews : FF TD Dublin South-East 2007–2011, SF TD Dublin Bay South 2020–
• Seán Ardagh : FF TD Dublin South-Central 1997–2011
• *his daughter Catherine Ardagh : FF Senator 2016–
• Bob Aylward : FF Senator 1973–1974
• *his son Liam Aylward : FF TD Carlow–Kilkenny 1977–2007, MEP East 2004–2014
• *his son Bobby Aylward : FF TD Carlow–Kilkenny 2007–2011, 2015–2020

  B

• Anthony Barry : FG TD/Senator Cork Borough 1954–1965
• *his son Peter Barry : FG TD Cork City South-East/Cork City/Cork South-Central 1969–1997
• **Peter's daughter Deirdre Clune : FG TD Cork South-Central 1997–2002, 2007–2011, Senator 2011–2014, MEP South 2014–
• Richard Barry : FG TD Cork East/Cork North-East 1953–1981
• *his daughter Myra Barry : FG TD Cork North-East/Cork East 1979–1987
• John Beirne Snr : CnaT TD Roscommon 1943–1948
• *his son John Beirne Jnr : CnaT TD Roscommon 1948–1961
• Patrick Belton : FF TD Dublin County 1927, CnaG/FG TD Dublin North 1933–1937, FG TD Dublin County 1938–1943
• *his son Richard Belton : FG Senator 1969–1973
• **his daughter Avril Doyle : FG TD/Senator Wexford 1982–2002, MEP Leinster/East 1999–2009
• *his son Jack Belton : FG TD Dublin North-East 1948–1963
• *his son Paddy Belton : FG TD Dublin North-East 1963–1977
• *his nephew Luke Belton : FG TD/Senator Dublin North-Central/Dublin Finglas 1965–1987
• *his nephew ? Louis Belton : FG TD/Senator Longford–Westmeath/Longford–Roscommon 1989–2002
• Thomas Westropp Bennett : CnaG/FG Senator 1922–1936
• *his brother George C. Bennett : CnaG/FG TD Limerick 1927–1948 and Senator 1948–1951
• Sir Edward Coey Bigger : Ind Senator 1925–1936
• *his son Joseph Warwick Bigger : Ind Senator 1944–1951
• Neal Blaney : FF TD Donegal 1927–1937, Donegal East 1937–1938 and 1943–1948, FF Senator 1938–1943
• *Neal's son Neil Blaney : FF/IFF TD Donegal East/Donegal North-East/Donegal 1948–1995, IFF MEP Connacht–Ulster 1979–1984, 1989–1994
• *Neal's son Harry Blaney : IFF TD Donegal North-East 1997–2002
• **Harry's son Niall Blaney : IFF/FF TD Donegal North-East 2002–2011, FF Senator 2020–
• Harry Boland : SF TD South Roscommon 1918–1922
• *his brother Gerald Boland : FF TD/Senator Roscommon 1926–1961
• **Gerald's son Kevin Boland : FF TD Dublin County 1957–1970
• John Boland, see Crowley
• Philip Brady : FF TD Dublin South-Central 1951–1977
• *his son Gerard Brady : FF TD Dublin Rathmines West/Dublin South-East 1977–1992
• Thomas Brennan : FF TD Wicklow 1944–1954
• *his son Paudge Brennan : FF TD Wicklow 1954–1973, 1981–1982, 1982–1987, Senator 1982
• Martin Brennan : FF TD Sligo 1938–1948
• *his nephew Matt Brennan : FF TD Sligo–Leitrim 1982–2002
• Robert Briscoe : FF TD Dublin South/Dublin South-West 1927–1965
• *his son Ben Briscoe : FF TD Dublin 1965–2002
• John Browne : FG Senator 1983–1987, TD Carlow–Kilkenny 1989–2002
• *his son Fergal Browne : FG Senator 2002–2007
• Seán Browne : FF TD Wexford 1957–1961, 1969–1981, 1982
• *his nephew John Browne : FF TD Wexford 1982–2016
• **John's son James Browne : FF TD Wexford 2016–
• Cathal [|Brugha] : SF TD County Waterford 1918–1922
• *his wife Caitlín Brugha : SF TD Waterford 1923–1927
• *his son Ruairí Brugha : FF TD Dublin County South 1973–1977, Senator 1969–1973, 1977–1981, MEP 1977–1979
• **Ruairí's father-in-law Terence MacSwiney : SF TD Cork Mid 1918–1920
• ***Terence's sister Mary MacSwiney : SF TD Cork Borough 1921–1927
• ***Terence's brother Seán MacSwiney : SF TD Cork Mid, North, South, South East and West 1921–1922
• John Bruton : FG TD Meath 1969–2004
• *his brother Richard Bruton : FG Senator 1981–1982, TD Dublin North-Central 1982–
• Patrick Burke : FF TD Dublin County/Dublin County North 1944–1973
• *his son Ray Burke : FF TD Dublin County North/Dublin North 1973–1997
• James Burke : FG TD Roscommon 1951–1964
• *his wife Joan Burke : FG TD Roscommon 1964–1981
• John Butler : Lab TD Waterford–Tipperary East 1922–1923, Waterford 1923–1927, Senator 1938–1965
• *his son Pierce Butler : FG Senator 1969–1983
• Alfie Byrne : IPP MP Dublin Harbour 1915–1918, Ind TD Dublin Mid/Dublin North 1922–1928, Ind Senator 1928–1931, Ind TD Dublin North/Dublin North-East 1932–1956
• *his son A. P. Byrne : Ind TD Dublin North-West 1937–1944, 1948–1952
• *his son Thomas Byrne : Ind TD Dublin North-West 1952–1961
• *his son Patrick Byrne : Ind TD Dublin North-East 1956–1957, FG TD Dublin North-East 1957–1969

  C

• Johnny Callanan : FF TD Clare–Galway South/Galway/Galway East 1973–1982
• *his nephew Joe Callanan : FF TD Galway East 2002–2007
• Phelim Calleary : FF TD Mayo North 1952–1969
• *his son Seán Calleary : FF TD Mayo 1973–1992
• **Seán's son Dara Calleary : FF TD Mayo 2007–
• Seán [|Canney] : Ind TD Galway East 2016–
• *his brother-in-law Paddy McHugh : Ind TD Galway East 2002–2007
• Donal Carey : FG TD Clare 1982–2002
• *his son Joe Carey : FG TD Clare 2007–
• Frank Chambers : FF Senator 1997–2002
• *his niece Lisa Chambers : FF TD Mayo 2016–2020, Senator 2020–
• R. Erskine Childers : SF TD Kildare–Wicklow 1921–1922
• *his double first cousin Robert Childers Barton : SF TD Wicklow West 1919–1921, SF TD Kildare–Wicklow 1921–1923
• *Erskine's son Erskine H. Childers : FF TD Wicklow 1938–1973, President 1973–1974
• **Erskine H.'s daughter Nessa Childers : Lab/Ind MEP East 2009–2014, Ind MEP Dublin 2014–2019
• Paddy Clohessy : FF TD Limerick East 1957–1969
• *his nephew Peadar Clohessy : FF/PD TD Limerick East 1981–1982, 1987–1997
• James Coburn : NLP/Ind/FG TD Louth 1927–1953
• *his son George Coburn : FG TD Louth 1953–1961
• James Colbert : Republican/FF TD Limerick 1923–1933
• *his first cousin Michael Colbert : FF TD Limerick/Limerick West 1937–1938, 1944–1948, 1954–1957, FF Senator 1938–1944
• John James Cole : Ind TD Cavan 1923–1927, 1927–1932, 1937–1944
• *his son John Copeland Cole : Ind Senator 1957–1969
• Harry Colley : FF TD Dublin North-East 1944–1957
• *his son George Colley : FF TD Dublin North-East/Dublin North-Central/Dublin Clontarf/Dublin Central 1961–1983
• **George's daughter Anne Colley : PD TD Dublin South 1987–1989
• James Collins : FF TD Limerick 1948–1967
• *his son Gerry Collins : FF TD Limerick 1967–1997, MEP Munster 1994–2004
• *his son Michael Collins : FF TD Limerick West 1997–2007
• *his grandson Niall Collins : FF TD Limerick West 2007–
• Michael Collins : SF TD Cork South 1918–1921, Cork Mid, North, South, South East and West 1921–1922
• *his cousin Gearóid O'Sullivan : SF TD Carlow–Kilkenny 1921–1923, CnaG TD Dublin County 1927–1937
• *his sister Margaret Collins-O'Driscoll : CnaG TD Dublin North 1923–1933
• *his grandniece Nora Owen : FG TD Dublin North 1981–1987, 1989–2002
• **Nora's sister Mary Banotti : FG MEP Dublin 1984–2004
• John Conlan : FG Senator 1965–1969, TD Monaghan/Cavan–Monaghan 1969–1987
• *Seán Conlan : FG/Ind TD Cavan–Monaghan 2011–2016
• Paul Connaughton Snr : FG Senator 1977–1981, TD Galway East 1981–2011
• *his son Paul Connaughton Jnr : FG TD Galway East 2011–2016
• Johnny Connor : CnaP TD Kerry North 1954–1955
• *his daughter Kathleen O'Connor : CnaP TD Kerry North 1956–1957
• Roddy Connolly : Lab TD Louth 1943–1944, 1948–1951, Senator 1975–1977
• *his sister Nora Connolly O'Brien : Senator 1957–1969
• Fintan Coogan Snr : FG TD Galway West 1954–1977
• *his son Fintan Coogan Jnr : FG TD Galway West 1982–1987, Senator 1997–2002
• Richard Corish : Lab TD Wexford 1921–1945
• *his son Brendan Corish : Lab TD Wexford 1945–1982
• W. T. Cosgrave : SF/CnaG/FG TD Carlow–Kilkenny 1919–1927, Cork Borough 1927–1944
• *his brother Philip Cosgrave : SF/CnaG TD Dublin North-West 1921–1923: Dublin South 1923
• *his son Liam Cosgrave : FG TD Dublin County 1943–1948, Dún Laoghaire 1948–1981
• **Liam's son Liam T. Cosgrave : FG TD Dún Laoghaire 1981–1987, FG Senator 1989–2002
• John A. Costello : FG TD Dublin Townships 1933–1943, 1944–1969
• *his son Declan Costello : FG TD Dublin North-West 1951–1969, Dublin South-West 1973–1977
• *his son-in-law Alexis FitzGerald Snr : FG Senator 1969–1981
• **Alexis Snr's nephew Alexis FitzGerald Jnr : FG Senator 1981–1982, 1982–1987, FG TD Dublin South-East 1982
• **Alexis Jnr's wife Mary Flaherty : FG TD Dublin North-West 1981–1997
• Clement Coughlan : FF TD Donegal South-West 1980–1983
• *his brother Cathal Coughlan : FF TD Donegal South-West 1983–1986
• **Cathal's daughter Mary Coughlan : FF TD Donegal South-West 1987–2011
• Hugh Coveney : FG TD Cork South-Central 1981–1998
• *his son Simon Coveney : FG TD Cork South-Central 1998–, MEP South 2004–2007
• Bernard Cowen : FF TD Laois–Offaly 1969–1984
• *his son Brian Cowen : FF TD Laois–Offaly 1984–2011
• *his son Barry Cowen : FF TD Laois–Offaly 2011–2016, 2020–, Offaly 2016–2020
• Donal Creed : FG TD Cork North-West 1965–1989, MEP 1973–1977
• *his son Michael Creed : FG TD Cork North-West 1989–2002, 2007–
• Patrick Crotty : FG TD Carlow–Kilkenny 1948–1969
• *his son Kieran Crotty : FG TD Carlow–Kilkenny 1969–1989
• Frederick Crowley : FF TD Kerry South 1927–1945
• *his wife Honor Crowley : FF TD Kerry South 1945–1966
• Flor Crowley : FF TD Cork Mid/Cork South-West 1965–1977, 1981–1982, Senator 1977–1981, 1982–1983
• *his son Brian Crowley : FF Senator 1992–1994, MEP Munster/South 1994–2019
• Austin Currie : FG TD Dublin West 1989–2002
• *his daughter Emer Currie : FG Senator 2020–
• David Cullinane : SF Senator 2011–2016, TD Waterford 2016–
• *his ex-wife Kathleen Funchion : SF TD Carlow–Kilkenny 2016–

  D

• Michael D'Arcy : FG TD Wexford 1977–1987, 1989–1992, 1997–2002
• *his son Michael W. D'Arcy : FG TD Wexford 2007–2011, 2016–2020, Senator 2011–2016, 2020–
• Michael Davern : FF TD Tipperary South 1948–1965
• *his son Don Davern : FF TD Tipperary South 1965–1968
• *his son Noel Davern : FF TD Tipperary South 1969–1981, 1987–2007, MEP Munster 1979–1984
• Michael Davitt : MP County Meath 1882, Anti-Parnellite MP North Meath 1892, Anti-Parnellite MP North East Cork Feb–May 1893, Anti-Parnellite MP South Mayo 1895–1899
• *his son Robert Davitt : CnG TD Meath 1933–1937
• Dan Desmond : Lab TD Cork South-East, 1948–1964
• *his wife Eileen Desmond : Lab TD Cork South-Central 1965–1987, MEP Munster 1979–1981
• Éamon de Valera : FF TD Clare 1919–1959, President 1959–1973,
• *his son Vivion de Valera : FF TD Dublin North-West 1944–1981
• *his granddaughter Síle de Valera : FF TD Dublin County Mid 1977–1981, Clare 1987–2007, MEP Dublin 1979–1984
• *his grandson Éamon Ó Cuív : FF Senator 1989–1992, FF TD Galway West 1992–
• Austin Deasy : FG TD Waterford 1977–2002
• *his son John Deasy : FG TD Waterford 2002–2020
• James Devins : SF TD Sligo–Mayo East 1921–1922
• *his grandson Jimmy Devins : FF TD Sligo–North Leitrim 2002–2011
• John Dillon : IPP MP East Mayo 1880–1918
• *his son James Dillon : NCP TD Donegal 1932–1937, FG TD Monaghan 1937–1969
• John Dinneen : FP TD Cork East 1922–1927
• *his nephew Liam Ahern : FF Senator 1957–1973, FF TD Cork North-East 1973–1974
• **Liam's son Michael Ahern : FF TD Cork East 1982–2011
• Sir Maurice Dockrell : IUA MP Dublin Rathmines 1918–1922
• *Maurice's son Henry Morgan Dockrell : FG TD Dublin County 1932–1948
• **Henry's son Maurice E. Dockrell : FG TD Dublin South/Dublin South-Central/Dublin Central 1943–1977
• **Henry's son Percy Dockrell : FG TD Dún Laoghaire 1951–1957, 1961–1977
• Charles Dolan : IPP MP North Leitrim 1906–1908
• *his brother James Dolan : SF TD Leitrim 1918–1921, Leitrim–Roscommon North 1921–1923, Leitrim–Sligo 1923–1932, 1933–1937
• Michael Donnellan : CnaT TD Galway 1938–1964
• *his son John Donnellan : FG TD Galway 1964–1989
• James G. Douglas : Ind Senator 1922–1943, 1944–1954
• *his son John Douglas : Ind Senator 1954–1957
• James Charles Dowdall : Ind/FF Senator 1922–1936
• *his wife Jane Dowdall : FF Senator 1951–1961

  E

• Tom [|Enright] : FG TD Laois–Offaly 1969–1992, 1997–2002, FG Senator 1993–1997
• *his daughter Olwyn Enright : FG TD Laois–Offaly 2002–2011
• **her husband Joe McHugh : FG Senator 2002–2007, FG TD Donegal North-East/Donegal 2007–

• his son Henry Grattan Irish Patriot Party MP Charlemont 1775–1790, Dublin City 1790–1797, Dublin City 1806–1820
• *his son Henry Grattan Whig MP Dublin City 1826–1830, Repeal Association MP Meath 1831–1852
• **his son-in-law Sir John Esmonde Liberal MP County Waterford 1852–1877
• ***his son Sir Thomas Esmonde : IPP MP 1885–1918, Ind Senator 1922–1934
• ****his cousin John Joseph Esmonde : IPP MP North Tipperary 1910–1915
• ****Sir Thomas's son Sir Osmond Esmonde : CnaG TD Wexford 1923–1936
• *****John Joseph's son Sir John Lymbrick Esmonde : FG TD Wexford 1937–1951
• *****Sir John Lymbrick's brother Sir Anthony Esmonde : FG TD Wexford 1951–1973
• ******Sir Anthony's son Sir John Grattan Esmonde : FG TD Wexford 1973–1977
• James Everett : Lab TD Wicklow 1923–1967
• *his nephew Liam Kavanagh : Lab TD Wicklow 1969–1997, MEP Leinster 1973–1981

  F

• Thomas Finlay : CnaG TD Dublin County 1930–1932
• *his son Thomas Finlay : FG TD Dublin South-Central 1954–1957
• Desmond FitzGerald : CnaG TD 1919–1937, Senator 1938–1943
• *his son Garret FitzGerald : FG Senator 1965–1969, FG TD Dublin South-East 1969–1992
• **Garret's daughter-in-law Eithne FitzGerald : Lab TD Dublin South 1992–1997
• Oliver J. Flanagan : FG TD Laois–Offaly 1943–1987
• *his son Charles Flanagan : FG TD Laois–Offaly 1987–2002, 2007–
• Pádraig Flynn : FF TD Mayo West 1977–1993
• *his daughter Beverley Flynn : FF/Ind TD Mayo 1997–2011
• Denis Foley : FF/Ind TD Kerry North 1981–1987, 1992–2002
• *his daughter Norma Foley: FF TD Kerry 2020–
• Johnny Fox : Ind TD Wicklow 1992–1995
• *his daughter Mildred Fox : Ind TD Wicklow 1995–2007
• Seán French : FF TD Cork Borough 1927–1932
• *his son Seán French : FF TD Cork Borough/Cork City North-West/Cork City/Cork North-Central 1967–1982
• Funchion, see Cullinane

  G

• John Galvin : FF TD Cork Borough 1956–1964
• *his wife Sheila Galvin : FF TD Cork Borough 1964–1965
• Johnny Geoghegan : FF TD Galway West 1954–1975
• *his daughter Máire Geoghegan-Quinn : FF TD Galway West 1975–1997
• Seán Gibbons : CnaG TD Carlow–Kilkenny 1923–1924, FF TD Carlow–Kilkenny 1932–1937, FF Senator 1938–1951
• *his nephew Jim Gibbons : FF TD Carlow–Kilkenny 1957–1981, 1982, MEP 1973–1977
• **Jim's son Martin Gibbons : PD TD Carlow–Kilkenny 1987–1989
• **Jim's son Jim Gibbons Jnr : PD Senator 1997–2002
• T. P. Gill : IPP/INF MP South Louth 1885–1892
• *his nephew Tomás Mac Giolla : WP TD Dublin West 1982–1992
• Patrick Guiney : All-for-Ireland League MP for North Cork 1910–1913
• *his brother John Guiney : All-for-Ireland League MP for North Cork 1913–1918
• **their nephew Philip Burton : Fine Gael TD for Cork North-East 1961–1969, Senator 1973–1977
• Richard Samuel Guinness Irish Conservative Party MP for Kinsale 1847–1848
• *his cousin Sir Benjamin Guinness : Con MP Dublin City 1865–1868
• **his son Sir Arthur Guinness : Con MP Dublin City 1868–1870, 1874–1880
• ***his great-nephew Henry Guinness : Ind Senator 1922–1934
• ****Henry's nephew Henry Eustace Guinness : Ind Senator 1954–1957
• ***Henry's cousin Benjamin Guinness : FG Senator 1973–1977

  H

• Sean Hales : SF TD Cork Mid, North, South, South East and West 1921–1922
• *his brother Tom Hales : FF TD Cork West 1933–1937
• Des Hanafin : FF Senator 1965–1993, 1997–2002
• *his daughter Mary Hanafin : FF TD Dún Laoghaire 1997–2011
• *his son John Hanafin : FF Senator 2002–2011
• Haughey, see Lemass
• Healy, see Sullivan
• Jackie Healy-Rae : Ind TD Kerry South 1997–2011
• *his son Michael Healy-Rae : Ind TD Kerry South 2011–2016, Kerry 2016–
• *his son Danny Healy-Rae : Ind TD Kerry 2016–
• Sir William Hickie : Senator 1925–1936
• *his grandnephew Maurice O'Connell : Senator 1981–1983
• Michael D. Higgins : Lab Senator 1973–1977, 1983–1987; Lab TD Galway West 1981–1982, 1987–2011; President 2011–
• *his daughter Alice Mary Higgins : Ind Senator 2016–
• Patrick Hillery FF TD Clare ; President 1976–1990
• * His nephew Brian Hillery FF Senator 1977–1982, 1983–1987, 1992–1994; FF TD Dún Laoghaire 1987–1992
• Michael Hilliard : FF TD Meath–Westmeath 1943–1948, Meath 1948–1973, MEP 1973
• *his son Colm Hilliard : FF TD Meath 1982–1997
• Hogan, see Sullivan
• T. V. Honan : FF Senator 1934–1936, 1938–1954
• *his son Dermot Honan : FF Senator 1965–1973
• **Dermot's wife Tras Honan : FF Senator 1977–1992
• ***Tras's sister Carrie Acheson : FF TD Tipperary South 1981–Feb. 1982
• John Horgan : NLP TD Cork Borough 1927
• *his grandson Seán O'Leary : FG Senator 1981–1982, 1983–1987
• Ralph Howard : Ind Senator 1922–1928
• *his daughter-in-law Eleanor Butler : Lab Senator 1948–1951

  K

• William Kenneally : FF TD Waterford 1952–1961
• *his son Billy Kenneally : FF TD Waterford 1965–1982, Senator 1982–1983
• **his grandson Brendan Kenneally : FF TD Waterford 1989–2002, 2007–2011, Senator 2002–2007
• Paddy Keaveney : IFF TD Donegal North-East 1976–1977
• *his daughter Cecilia Keaveney : FF TD Donegal North-East 1996–2007, FF Senator 2007–2011
• Thomas Kennedy : Lab Senator 1934–1936, 1943–1948
• *his son Fintan Kennedy : Lab Senator 1969–1981
• Henry Kenny : FG TD Mayo South 1954–1969, Mayo West 1969–1975
• *his son Enda Kenny : FG TD Mayo West 1975–1997, Mayo 1997–2020
• David Kent : SF TD Cork East/Cork East and North East 1918–1927
• *his brother William Kent: FF TD Cork East 1927–1932, NCP/FG TD Cork East 1933–1937
• Mark Killilea Snr : FF TD Galway/Galway East/Galway North 1927–1932, 1933–1961, FF Senator 1961–1969
• *his son Mark Killilea Jnr : FF TD 1977–1982, FF Senator 1969–1977, 1982–1987, MEP 1987–1999
• Michael F. Kitt : FF TD 1948–1951, 1957–1975
• *Michael F.'s son Michael P. Kitt : FF TD Galway North-East 1973–1977, Galway East 1981–2002, 2007–2016, FF Senator 1977–1981, 2002–2007
• *Michael F.'s son Tom Kitt : FF TD 1987–2011
• *Michael F.'s daughter Áine Brady : FF TD Kildare North 2007–2011
• **her husband Gerry Brady : FF TD Kildare 1982

  L

• James Larkin : IWL TD Dublin North 1927, Ind TD Dublin North-East 1937–1938, Lab TD Dublin North-East 1943–1944
• *James Snr's son James Larkin Jnr : Lab TD Dublin South 1943–1948, Dublin South-Central 1948–1954
• *James Snr's son Denis Larkin : Lab TD Dublin North-East 1954–1961, 1965–1969
• Hugh Law : Liberal MP Londonderry 1874–1881
• *his grandson Hugh Law : IPP MP West Donegal 1902–1918, CnaG TD Donegal 1927–1932
• Patsy Lawlor : FG Senator 1981–1983
• *her son Anthony Lawlor : FG TD Kildare North 2011–2016, Senator 2018–
• Seán Lemass : FF TD Dublin 1924–1969
• *his son Noel Lemass : FF TD Dublin South-West 1956–1976
• **Noel's wife Eileen Lemass : FF TD Dublin South-West 1977–1987, MEP Dublin 1984–1989
• *Seán's son-in-law Charles Haughey : FF TD Dublin North-East/Dublin Artane/Dublin North-Central 1957–1992
• **Charles' son Seán Haughey : FF Senator 1987–1992, FF TD Dublin North-Central 1992–2011, Dublin Bay North 2016–
• *Seán's grandson Seán O'Connor : FF Senator 1982
• Brian Lenihan Snr : FF Senator 1957–1961, 1973–1977, FF TD Roscommon 1961–1969, Roscommon–Leitrim 1969–1973, Dublin West 1977–1997, MEP 1973–1977
• *Brian Snr's father Patrick Lenihan : FF TD Longford–Westmeath 1965–1970
• *Brian Snr's sister Mary O'Rourke : FF Senator 1981–1982, 2002–2007, FF TD Longford–Westmeath 1982–1997, 2007–2011, Westmeath 1997–2002
• *Brian Snr's son Brian Lenihan Jnr : FF Dublin West 1996–2011
• *Brian Snr's son Conor Lenihan : FF TD Dublin South-West 1997–2011
• Jimmy Leonard : FF TD Cavan–Monaghan 1973–1981, Feb 1982–1997, Senator 1981–1982
• *his daughter Ann Leonard : FF Senator 1997–2002
• Patrick Little : FF TD Waterford 1927–1954
• *his grandnephew Ciarán Cuffe : GP TD Dún Laoghaire 2002–2011
• James B. Lynch : FF TD Dublin South 1932–1948 Senator 1951–1954
• *his wife Celia Lynch : FF TD Dublin South-Central, Dublin North-Central 1954–1977
• Kathleen Lynch : DL/Lab TD Cork North-Central 1994–1997, 2002–2016
• *her brother-in-law Ciarán Lynch : Lab TD Cork South-Central 2007–2016

  M

• Mary McAleese : President of Ireland 1997–2011
• *her husband Martin McAleese : Ind Senator 2011–2013
• Timothy McAuliffe : Lab Senator 1961–1969, 1973–1983
• *his daughter Helena McAuliffe-Ennis : Lab Senator 1983–1987
• Joseph MacBride : SF TD Mayo West 1919–1921, Mayo North and West 1921–1923, CnaG TD Mayo South 1923–1927
• *his nephew Seán MacBride : CnaP TD Dublin County 1947–1948, Dublin South-West 1948–1957
• Shane McEntee : FG TD Meath 2005–2007, Meath East 2007–2012
• *his daughter Helen McEntee : FG TD Meath East 2013–
• Tom McEllistrim : FF TD Kerry/Kerry North 1923–1969
• *his son Tom McEllistrim : FF TD Kerry North 1969–1987, Senator 1987–1989, 1989–1992
• **his grandson Tom McEllistrim : FF TD Kerry North 2002–2011
• Nicky McFadden : FG Senator 2007–2011, TD Longford–Westmeath 2011–2014
• *her sister Gabrielle McFadden : FG TD Longford–Westmeath 2014–2016, Senator 2016–2020
• Brendan McGahon : FG TD Louth 1982–2002
• *his nephew John McGahon : FG Senator 2020–
• Patrick McGilligan : INF MP South Fermanagh 1892–1895
• *his son Patrick McGilligan : CnaG/FG TD NUI/Dublin North-West 1923–1965
• Joseph McGrath : CnaG TD Dublin /Dublin North-West/Mayo North 1919–1927
• *his son Patrick McGrath : Ind Senator 1973–1977
• McHugh see Canney and Enright
• Joseph McLoughlin : FG TD Sligo–Leitrim 1969–1977
• *his nephew Tony McLoughlin : FG TD Sligo–North Leitrim 2011–2020
• Eoin MacNeill : SF/CnaG TD National University of Ireland 1919–1927
• *his brother James McNeill ; 2nd Governor-General of the Irish Free State 1928–1932
• **his son-in-law Michael Tierney : CnaG TD Mayo North 1925–1927, NUI 1927–1932, Senator 1938–1944
• **his grandson Michael McDowell : PD TD Dublin South-East 1987–1989, 1992–1997, 2002–2007; Ind Sen 2016–
• Ray MacSharry : FF TD Sligo–Leitrim 1969–1988, MEP Connacht–Ulster 1984–1989
• *his son Marc MacSharry : FF Senator 2002–2016, TD Sligo–Leitrim 2016–
• MacSwiney see Brugha
• Seán Maloney : Lab Senator 1993–1997
• *his brother Eamonn Maloney : Lab/Ind TD Dublin South-West 2011–2016
• Tadhg Manley : FG TD Cork South 1954–1961
• *his nephew Liam Burke : FG TD Cork City 1969–1977, 1979–1981, TD Cork North-Central 1981–1989, 1992–2002
• John Mannion Snr : FG TD Galway West 1951–1954, Senator 1954–1957, 1961–1969
• *his son John Mannion Jnr : FG TD Galway West 1977–1981, Senator 1969–1977, 1981–1983
• Catherine Martin : GP TD Dublin Rathdown 2016–
• *her husband Francis Noel Duffy: GP TD Dublin South-West 2020–
• *her brother Vincent P. Martin: GP Senator 2020-
• Con Meaney : FF TD Cork North 1937–1943, Cork Mid 1961–1965
• *his son Thomas Meaney : FF TD Cork Mid/Cork North-West 1961–1982
• Liam Mellows : SF TD Galway East, Meath North 1918–1922, Galway 1921–1922
• *his brother Barney Mellows : SF TD Galway 1923–1927
• Matthew Minch : INF/IPP MP South Kildare 1892–1903
• *his son Sydney Minch : CnaG TD Kildare 1932–1937, Carlow–Kildare 1937–1938
• Jim Mitchell : FG TD Dublin Ballyfermot/Dublin West/Dublin Central 1977–2002
• *his brother Gay Mitchell : FG TD Dublin South-Central 1981–2007, MEP Dublin 2004–2014
• Joe Mooney : FF Senator 1961–1965
• *his son Paschal Mooney : FF Senator 1987–2007, 2010–2016
• Donal Moynihan : FF TD Cork North-West 1982–1989, 1992–2007
• *his son Aindrias Moynihan : FF TD Cork North-West 2016–
• Michael Moynihan : Lab TD Kerry South 1981–1992
• *his daughter Breeda Moynihan-Cronin : Lab TD Kerry South 1992–2007
• Eugene Mullen : FF TD Mayo South June–Sept 1927
• *his brother Thomas Mullen : FF TD Dublin County 1938–1943
• Rónán Mullen : Ind Senator 2007–
• *his first cousin Michael Mullins : FG Senator 2011–2016
• Michael Pat Murphy : Lab TD Cork South-West 1951–1981
• *his son-in-law John O'Donoghue : FF TD Kerry South 1987–2011
• Timothy J. Murphy : Lab TD Cork West 1923–1949
• *his son William J. Murphy : Lab TD Cork West 1949–1951

  N

• Liam Naughten : FG Senator 1981–1982, 1989–1996, FG TD Roscommon 1982–1989
• *his son Denis Naughten : FG Senator 1997, FG TD Longford–Roscommon 1997–2007, Roscommon–South Leitrim 2007–2016, Ind TD Roscommon–Galway 2016–
• Dan Neville : FG Senator 1989–1997, FG TD Limerick West 1997–2011, Limerick 2011–2016
• *his son Tom Neville : FG TD Limerick County 2016–2020
• Tom Nolan : FF TD Carlow–Kilkenny 1965–1982, MEP 1973–1979
• *his son M. J. Nolan : FF TD Carlow–Kilkenny 1982–2011
• William Norton: : Lab TD Dublin County 1923–1927, Kildare/Carlow–Kildare/Kildare 1932–1963
• *his son Patrick Norton : Lab TD Kildare 1965–1969, Senator 1969–1973

  O

• Mary Ann O'Brien : Ind Senator 2011–2016
• *her first cousin-in-law John Magnier : Ind Senator 1987–1989
• Richard O'Connell : CnaG TD Limerick 1923–1932
• *his nephew Tom O'Donnell : FG TD Limerick East 1961–1987, MEP Munster 1979–1989
• **Tom's nephew Kieran O'Donnell : FG TD Limerick East/Limerick City 2007–2016, 2020–, Senator 2016–2020
• O'Connor, see Connor
• O'Higgins, see Sullivan
• Ned O'Keeffe : FF TD Cork East 1982–2011
• *his son Kevin O'Keeffe : FF TD Cork East 2016–2020
• Pierce Mahony : Repeal MP Kinsale 1837
• *his grandson Pierce O'Mahony : IPP MP North Meath 1886–1892
• **his son Dermot O'Mahony : CnaG TD Wicklow 1927–1938
• Donogh O'Malley : FF TD Limerick East 1954–1968
• *his nephew Desmond O'Malley : FF/PD TD Limerick East 1968–2002
• **Desmond's daughter Fiona O'Malley : PD TD Dún Laoghaire 2002–2007, Senator 2007–2011
• *Donogh's first cousin's son Patrick O'Malley : PD TD Dublin West 1987–1989
• *Patrick's first cousin Tim O'Malley : PD TD Limerick East 2002–2007
• Christy O'Sullivan : FF TD Cork South-West 2007–2011
• *his son Christopher O'Sullivan: FF TD Cork South-West 2020–
• *Christopher's partner Holly Cairns : SD TD Cork South-West 2020–
• John M. O'Sullivan : FG TD Kerry/Kerry North 1923–1943
• *his brother Timothy O'Sullivan : IPP MP East Kerry 1910–1918
• *their cousin Eugene O'Sullivan : IPP MP East Kerry 1910
• Timothy O'Sullivan : FF TD Cork West 1937–1954, Senator 1957–1959
• *his niece Peggy Farrell : FF Senator 1969–1973

  P

• James Pattison : Lab TD Carlow–Kilkenny 1933–1957
• *his son Séamus Pattison : Lab TD Carlow–Kilkenny 1961–2007, MEP Leinster 1981–1984
• Margaret Pearse : SF TD Dublin County 1921–1922
• *her daughter Margaret Mary Pearse : FF TD Dublin County 1932–1937, Senator 1938–1968
• Paddy Power : FF TD Kildare 1969–1989, MEP 1977–1979
• *his son Seán Power : FF TD Kildare/Kildare South 1989–2011
• Patrick Joseph Power : IPP/INF MP County Waterford 1884–1895, East Waterford 1895–1913
• *his nephew Pierce McCan : SF MP/TD Tipperary East 1918–1919

  Q

• Ruairi Quinn : Lab TD/Senator Dublin South-East 1977–1981, 1982–2016
• *his first cousin Feargal Quinn : Ind Senator 1993–2016

  R

• Michael Reddy : IPP MP Birr 1900–1918
• *his grandnephew Anthony Millar : FF TD for Galway South and Galway East 1958–1969
• **Millar's uncle Patrick Beegan : FF TD for Galway constituencies 1932–1958
• John Edward Redmond : Lib MP City of Wexford 1859–1965
• *his nephew William Archer Redmond : IPP MP Wexford 1872–1880
• **William's son Willie Redmond : IPP MP Wexford Borough 1883–1885, Fermanagh North 1885–1892, Clare East 1892–1917
• **William's son John Redmond : IPP MP New Ross 1881–1885, North Wexford 1885–1891, Waterford City 1891–1918
• ***John's son William Redmond : IPP/NLP/CnaG TD Waterford 1918–1932
• ****William's wife Bridget Redmond : CnaG TD Waterford 1932–1952
• Patrick Reynolds : CnaG TD Leitrim–Sligo 1927–1932
• *his wife Mary Reynolds : FG TD Leitrim–Sligo 1932–1961
• **Their son Patrick J. Reynolds : FG TD Roscommon 1961–1969, Roscommon–Leitrim 1973–1977, Senator 1969–1973, 1977–1987
• ***Patrick J.'s son Gerry Reynolds : FG TD Sligo–Leitrim 1989–1992 and 1997–2002, Senator 1987–1989 and 1993–1997
• Eamon Rice : FF TD Monaghan 1932–1937
• *his wife Bridget Rice : FF TD Monaghan 1938–1954
• John N. Ross : Ind Senator 1961–1965
• *his son Shane Ross : Ind Senator 1981–2011, Ind TD Dublin South 2011–2020
• James Ryan : SF TD 1918–1922, Republican TD 1923–1926, FF TD 1926–1965
• *his son Eoin Ryan Snr : FF Senator 1957–1987
• **his grandson Eoin Ryan Jnr : FF Senator, TD Dublin South-East 1992–2007, MEP Dublin 2004–2009
• *his brother-in-law Seán T. O'Kelly : SF/Republican TD 1918–1932, President 1945–1959
• *his brother-in-law Richard Mulcahy : SF/CnaG/FG TD and Senator 1918–1961
• *his brother-in-law Denis McCullough : CnaG TD 1924–1927
• Patrick Ryan : Republican TD Tipperary 1923–1927
• *his brother Martin Ryan : FF TD Tipperary 1933–1943
• *Martin's wife Mary Ryan : FF TD Tipperary 1944–1961
• Seán Ryan : Lab TD Dublin North 1989–1997, 1998–2007
• *his brother Brendan Ryan : Lab Senator 2007–2011, TD Dublin North 2011–2020

  S

• David Sheehy : IPP MP South Galway 1885–1900, South Meath 1903–1918
• *his son-in-law Tom Kettle : IPP MP East Tyrone 1906–1910
• *his grandson Owen Sheehy-Skeffington : Ind Senator 1954–1957, 1965–1970
• *his grandson Conor Cruise O'Brien : Lab TD Dublin North-East 1969–1977, Senator 1977–1979, MEP 1973
• **O'Brien's father-in-law Seán MacEntee : SF TD Monaghan 1919–1922, FF TD Dublin County/Townships/South East 1927–1969
• Joe Sherlock : SFWP TD Cork East 1981–1982, WP TD 1987–1992, Lab TD 2002–2007, Seanad 1993–1997
• *his son Seán Sherlock : Lab TD Cork East 2007–
• Patrick Smith : SF TD Cavan 1923–1927, FF TD Cavan 1927–1977
• *his grandniece Niamh Smyth : FF TD Cavan–Monaghan 2016–
• Dan Spring : Lab TD Kerry North 1943–1981
• *his son Dick Spring : Lab TD Kerry North 1981–2002
• **Dick's nephew Arthur Spring : Lab TD Kerry North–West Limerick 2011–2016
• Timothy Sullivan : Home Rule/IPP MP Westmeath 1880–1885, Dublin College Green 1885–1892, West Donegal 1892–1900
• *his brother Alexander Sullivan : Lib/IPP MP County Louth 1874–1880, County Meath 1880–1882
• *his nephew Tim Healy : IPP MP Wexford 1880–1883, Monaghan 1883–1885, South Londonderry 1885–1886, North Longford 1886–1892, North Louth 1892–1910
• **Tim Healy's brother Thomas Joseph Healy : IPP MP North Wexford 1892–1900
• **Tim Healy's brother Maurice Healy : IPP MP Cork City 1885–1900 and 1909–1910, North East Cork 1910–1918
• *Timothy Sullivan's grandson Kevin O'Higgins : CnaG TD Laois–Offaly 1918–1927
• **Kevin's brother Thomas F. O'Higgins : CnaG/FG TD Dublin, Laois–Offaly, Cork 1929–1953
• ***Thomas's son Tom O'Higgins : FG TD Laois–Offaly, 1943–1973
• ***Thomas's son Michael O'Higgins : FG TD Dublin South-West, Wicklow 1948–1969
• ****Michael's wife Brigid Hogan O'Higgins : FG TD Galway 1957–1977
• *****her father Patrick Hogan : FG TD Galway 1921–1936
• **Kevin's grandson Chris O'Malley : FG MEP Munster 1986–1989
• ***Chris' wife Aideen Hayden : Lab Senator 2011–2016
• John Sweetman : IPP MP East Wicklow 1892–1895
• *his cousin Roger Sweetman : SF TD Wexford North 1919–1921
• **Roger's son Edmund Sweetman : FG Senator 1948–1951
• **Roger's nephew Gerard Sweetman : FG Senator 1943–1948, TD Kildare 1948–1970

  T

• Frank Taylor : FG TD Clare 1969–1981
• *his daughter Madeleine Taylor-Quinn : FG TD Clare 1981–1982, 1982–1992, FG Senator 1982, 1993–2002
• Godfrey Timmins : FG TD Wicklow 1965–1997
• *his son Billy Timmins : FG/Ind/Renua TD Wicklow 1997–2016

  U

• Pat Upton : Lab Senator 1989–1992, Lab TD Dublin South-Central 1992–1999
• *his sister Mary Upton : Lab TD Dublin South-Central 1999–2011

  W

• Jack Wall : Lab Senator 1993–1997, TD Kildare South 1997–2016
• *his son Mark Wall : Lab Senator 2020–
• John Wilson : FF TD Cavan 1973–1977, Cavan–Monaghan 1977–1992
• *his nephew Diarmuid Wilson : FF Senator 2002–

  Y

• W. B. Yeats : Ind Senator 1922–1928
• *his son Michael Yeats : FF Senator 1951–1977, MEP 1973–1979