List of American politicians of Irish descent

This is a list of notable Irish American politicians.

To be included in this list, the person must have a Wikipedia article and/or references showing the person is Irish American and a notable politician.

A–L

 * Harry M. Daugherty
 * Chester A. Arthur – 21st President of the United States
 * David Baird Sr. – born in County Londonderry, Ireland, US Senator
 * David Baird Jr. – son of David Baird Sr.; US Senator
 * James G. Barry – St. Louis mayor
 * William B. Barry – US Congressman
 * Joe Biden – current President of the United States, 47th Vice President of the United States; mother was of Irish ancestry, father of partial Irish ancestry
 * Edward P. Boland – US Congressman
 * James E. Boyd – Omaha mayor
 * Brendan Boyle – US Congressman
 * Bob Brady – US Congressman
 * William J. Brady – New Mexico Territorial representative and Sheriff of Lincoln County, from County Cavan
 * David C. Broderick – US Senator
 * John T. Browne – Houston mayor
 * William Jennings Bryan – US Secretary of State
 * Billy Bulger – President of the Massachusetts State Senate
 * Aedanus Burke – US Congressman
 * Thomas Burke – North Carolina governor
 * Thomas A. Burke – Cleveland mayor, US Senator
 * William J. Burke – US Congressman
 * Prescott Bush – banker/US Senator
 * Brendan Byrne – former Governor of New Jersey
 * Jane Byrne – Chicago mayor
 * Thomas R. Byrne – St. Paul mayor
 * James F. Byrnes – US Senator
 * William T. Cahill – New Jersey governor
 * Hugh Carey – New York governor
 * Christopher P. Carney – US Congressman
 * Charles Carroll of Carrollton – the sole Catholic signatory of the American Declaration of Independence
 * Bob Casey Jr. – US Senator and former Pennsylvania state treasurer
 * Robert P. Casey – former Pennsylvania governor
 * Bill Cassidy – US Senator
 * Jerome Cavanagh – Detroit mayor
 * John Michael Clancy – US Congressman
 * Grover Cleveland – 22nd and 24th President of the United States
 * Bill Clinton – 42nd President of the United States
 * DeWitt Clinton – New York City mayor
 * W. Bourke Cockran – US Congressman
 * John F. Collins – Boston mayor
 * Patrick Collins – Boston mayor
 * Susan Collins – US Senator
 * Martin Condon – Knoxville mayor
 * John Conness – US Senator
 * James Cooney – US Congressman
 * Chris Coons - US Senator
 * John Coughlin – First Ward Alderman in Chicago, 1893–1938
 * Richard Croker – Tammany Hall boss
 * Joseph Crowley – US Congressman
 * Ted Cruz - Texas Senator
 * James Michael Curley – legendary Boston mayor, US Congressman, and Massachusetts governor
 * Thomas Cusack – US Congressman
 * Richard J. Daley – Chicago mayor
 * Richard M. Daley – Chicago mayor; son of Richard J. Daley
 * William M. Daley – U.S. Secretary of Commerce; son of Richard J. Daley
 * Charles Patrick Daly – Chief Justice of New York Court of Common Pleas
 * John Darragh – Pittsburgh mayor
 * Jefferson Davis – Confederate President
 * William Dawson – St. Paul mayor
 * Éamon de Valera (1882–1975) – President of Ireland, dominant political figure in 20th-century Ireland
 * John J. Dempsey – New Mexico governor
 * John N. Dempsey – Connecticut governor
 * Thomas Dongan governor of New York In the 1660s
 * Michael Donohoe – US Congressman
 * Bob Dornan – former US Congressman from California
 * John G. Downey – California governor
 * Mike Doyle – US Congressman from Pennsylvania
 * James Duane – New York City mayor
 * Warren J. Duffey – US Congressman from Ohio, also Ohio's 9th congressional district
 * Tom Dunn – Mayor, Elizabeth, New Jersey
 * Edward Fitzsimmons Dunne – Chicago mayor and Illinois governor
 * Dick Durbin – US Senator
 * Thomas F. Eagleton – US Senator Missouri 1968–1987; grandfather born in County Mayo; paternal grandmother also Irish
 * Mark M. Fagan – Jersey City mayor
 * Mike Fahey – Omaha mayor
 * Thomas Fallon – San Jose mayor
 * James A. Farley – Chairman of the Democratic National Committee, US Postmaster General
 * John Frederick Finerty – US Congressman
 * Joseph E. Finerty – Gary mayor
 * John F. Fitzgerald – Boston mayor, father of Rose Kennedy
 * John Fitzpatrick – New Orleans mayor
 * Mike Fitzpatrick – US Congressman from Pennsylvania
 * Thomas Fitzsimons – US Congressman
 * Peter F. Flaherty – former Pittsburgh mayor
 * Michael P. Flanagan – US Congressman
 * Daniel J. Flood – US Congressman from Pennsylvania
 * Raymond Flynn – Boston mayor
 * William S. Flynn – Rhode Island governor
 * Mark Foley – US Congressman from Florida
 * Michael Forbes – former US Congressman from New York
 * Thomas Gallagher – Pittsburgh mayor
 * Martin Galvin – founder of NORAID
 * William F. Galvin – Massachusetts Secretary of State
 * J. Joseph Garrahy – Rhode Island governor
 * William Jay Gaynor – New York City mayor
 * Charles P. Gillen – Newark mayor
 * Kirsten Gillibrand – US Senator, mother is of Irish descent
 * Thomas F. Gilroy – New York City mayor
 * James P. Gleason – County executive of Montgomery County, Maryland
 * Patrick Gleason – Long Island City political machine boss
 * Martin H. Glynn – New York governor
 * William R. Grace – New York City mayor
 * J. Harold Grady – Baltimore mayor
 * William T. Granahan – US Congressman
 * Ulysses S. Grant – 18th President of the United States
 * Horace Greeley – Newspaper publisher/US Congressman
 * James D. Griffin – Mayor of Buffalo, New York, New York State Senator
 * Frank Hague – Jersey City mayor
 * James M. Hanley – US Congressman
 * Warren G. Harding – 29th President of the United States
 * Benjamin Harrison – 23rd President of the United States
 * Maura Healey – Massachusetts Attorney General
 * Jerramiah T. Healy – Jersey City mayor
 * William Randolph Hearst – Newspaper publisher/US Congressman
 * James J. Heffernan – US Congressman
 * Brian Higgins – US Congressman
 * John Hogan – US Congressman
 * Larry Hogan – governor of Maryland
 * John Patrick Hopkins – Chicago mayor
 * Harry R. Hughes – Governor of Maryland
 * Richard J. Hughes – Governor of New Jersey
 * Charles F. Hurley – Massachusetts governor
 * Denis M. Hurley – US Congressman
 * Robert A. Hurley – Connecticut Governor
 * Henry Hyde – US Congressman
 * John F. Hylan – New York City mayor
 * John B. Hynes – Boston mayor
 * Andrew Jackson – 7th President of the United States
 * Andrew Johnson – 17th President of the United States
 * Lyndon B. Johnson – 36th President of the United States
 * Thomas Kean – former Governor of New Jersey
 * Frank Keating – Oklahoma governor
 * William J. Keating – former Congressman from Ohio
 * Augustine B. Kelley – US Congressman
 * Patrick H. Kelley – US Congressman
 * Edward A. Kelly – US Congressman
 * Edward Joseph Kelly – Chicago mayor
 * John Kelly – Tammany Hall boss
 * Joseph J. Kelly – Buffalo mayor
 * Mark Kelly – US Senator
 * Randy Kelly – St. Paul mayor
 * Richard C. Kerens – Ambassador to Austria-Hungary 1909–1913
 * Michael Kenna – First Ward Alderman in Chicago 1897–1923
 * Caroline Kennedy – US Ambassador
 * Edward M. Kennedy – longtime US Senator
 * Edward M. Kennedy, Jr – Connecticut State Senator
 * John F. Kennedy – 35th President of the United States
 * Joseph P. Kennedy – US Ambassador
 * Joseph P. Kennedy II – former US Congressman
 * Joseph P. Kennedy III – US Congressman
 * Kathleen Kennedy Townsend – former Lieutenant Governor of Maryland
 * Mark Kennedy – former US Congressman
 * Patrick J. Kennedy – former Member Massachusetts House of Representatives; former Massachusetts Senator
 * Patrick J. Kennedy II – former US Congressman
 * Robert F. Kennedy – US Attorney General, US Senator, New York
 * Jean Kennedy Smith – former US Ambassador
 * Martin H. Kennelly – Chicago mayor
 * John V. Kenny – Jersey City mayor
 * John Kerrigan – Boston mayor
 * Peter T. King – US Congressman
 * Conor Lamb – US Congressman
 * Patrick Leahy – US Senator, father is of Irish descent
 * Huey Long – Louisiana governor
 * Robert Lowry – US Congressman
 * Stephen Lynch – US Congressman
 * Thomas Lynch Jr. – signatory to the Declaration of Independence

M–Z

 * Lisa Madigan – Illinois Attorney General
 * Michael Madigan – Illinois Speaker of the House, Illinois Democratic Party Chairman
 * George Maguire – St. Louis mayor
 * Dan Malloy – Connecticut governor; Stamford, CT mayor
 * Sean Patrick Maloney – US Congressman
 * Frederick Mansfield – Boston mayor
 * Mike Mansfield – US Senator, Ambassador
 * Thomas J. Manton – US Congressman
 * Edward Markey – US Senator
 * William McAleer – US Congressman
 * Gerald McCann – Jersey City mayor
 * Patrick McCarran – US Senator
 * Carolyn McCarthy – US Congressman
 * Eugene McCarthy – US Senator
 * Joseph McCarthy – US Senator
 * Kevin McCarthy – Speaker of the House
 * P. H. McCarthy – San Francisco mayor
 * William C. McCarthy – Pittsburgh mayor
 * Mitch McConnell –Senate Minority Leader
 * Frank McCoppin – San Francisco mayor
 * John W. McCormack – Speaker of the House
 * Jim McDermott – US Congressman
 * John J. McDonough – St. Paul mayor
 * Lawrence E. McGann – US Congressman
 * J. Howard McGrath – US Senator, Rhode Island governor
 * John J. McGrath – US Congressman
 * James McGreevey – New Jersey governor
 * Edwin D. McGuinness – Providence mayor
 * James Kennedy McGuire – Syracuse mayor
 * Thomas McKean – signatory to the Declaration of Independence
 * Bernard J. McKenna – Pittsburgh mayor
 * Joseph McKenna – US Attorney General
 * William McKinley – 25th President of the United States
 * Hugh McLaughlin – Brooklyn Democratic party boss
 * Joseph McLaughlin – US Congressman
 * Robert McNamara – United States Secretary of Defense under President John F. Kennedy
 * Frank J. McNulty – US Congressman
 * Michael R. McNulty – US Congressman
 * Marty Meehan – US Congressman
 * John Purroy Mitchel – New York City mayor
 * Robert M. Moore – Cincinnati mayor
 * Jim Moran – US Congressman
 * John Morrissey – US Congressman
 * William J. Moxley – US Congressman
 * Daniel Patrick Moynihan – former US Senator
 * P. H. Moynihan – US Congressman
 * Bryan Mullanphy – St. Louis mayor
 * William D. Mullins – member of the Massachusetts House of Representatives and baseball player
 * Lisa Murkowski – US Senator
 * Charles F. Murphy – Tammany Hall boss
 * Chris Murphy – US Senator and former Congressman
 * Dick Murphy – San Diego mayor
 * Frank Murphy – Detroit mayor, Michigan governor
 * George Murphy – US Senator
 * Isaac Murphy – Arkansas governor
 * Morgan F. Murphy – US Congressman
 * Philip D. Murphy – New Jersey governor
 * Timothy Murphy – US Congressman
 * Tom Murphy – Pittsburgh mayor
 * William T. Murphy – US Congressman
 * James C. Murray – US Congressman
 * Timothy P. Murray – Lieutenant Governor of Massachusetts
 * John Murtha – US Congressman
 * Richard Neal – US Congressman
 * Richard Nixon – 37th President of the United States
 * Michael N. Nolan – Albany mayor
 * Mary T. Norton – US Congressman
 * Barack Obama – 44th President of the United States
 * Frank O'Bannon – Indiana governor
 * Christopher D. O'Brien – St. Paul mayor
 * Hugh O'Brien – Boston's first Irish mayor
 * James O'Brien – US Congressman
 * John P. O'Brien – New York City mayor
 * Thomas J. O’Brien – US Congressman
 * Dan O'Connell – Albany mayor
 * Bob O'Connor – Mayor of Pittsburgh
 * Maureen O'Connor – San Diego mayor
 * Herbert R. O'Conor – Maryland governor
 * Kenneth O'Donnell – Senior Aide to President John F Kennedy
 * William O'Dwyer – New York City mayor
 * James A. O'Gorman – US Senator
 * Barratt O'Hara – US Congressman
 * Arthur J. O'Keefe – New Orleans mayor
 * Martin O'Malley – Baltimore mayor
 * Charles H. O'Neill – Jersey City mayor
 * Thomas O'Neill – Speaker of the House
 * William A. O'Neill – Connecticut governor
 * Daniel O'Reilly – US Congressman
 * Beto O’Rourke, – US Congressman and Presidential candidate
 * George F. O'Shaunessy – US Congressman
 * George Pataki – New York governor
 * Mike Pence – 48th Vice President of the United States; 50th Governor of Indiana
 * Tom Pendergast – Kansas City Democratic machine boss
 * James D. Phelan – San Francisco mayor, US Senator
 * George Washington Plunkitt – Tammany Hall member
 * Samantha Power – US Ambassador
 * Jack Quinn – US Congressman
 * John Quinn – US Congressman
 * Ronald Reagan (1911–2004) – 40th President of the United States (1981–1989); 33rd Governor of California (1967–1975); father was Irish-American
 * Thomas Reilly – Massachusetts Attorney General
 * Daniel J. Riordan – US Congressman
 * Richard Riordan – former Los Angeles mayor
 * William R. Roberts – US Congressman
 * John J. Rooney – US Congressman
 * Jim Ryan – former Illinois Attorney General; father was Irish, mother was Italian
 * Paul Ryan – US Congressman and 2012 Vice Presidential nominee; father was of Irish ancestry
 * Tim Ryan – US Congressman
 * William Ryan – US Congressman
 * Mary Gay Scanlon – US Congresswoman from Pennsylvania
 * Wilson Shannon – Ohio governor
 * H. James Shea Jr. – member of the Massachusetts House of Representatives
 * William F. Sheehan – Buffalo democratic machine boss
 * John Sheridan – New Jersey Transportation Commissioner
 * James Shields – US Senator
 * Peter Joseph Shields – Superior Court Judge, Jeffersonian Democrat, for 49 years; founder of University of California at Davis, and the McGeorge Law School; son of John Shields, County Donegal, Ireland and Elizabeth Bowe, County Waterford, Ireland
 * Sargent Shriver – Democratic politician
 * Al Smith – New York governor, Democratic Party presidential candidate (Irish born grandparents from Westmeath; Smith identified as an Irish American)
 * James Smith – signatory to the Declaration of Independence
 * Peter J. Somers – Milwaukee mayor
 * Brian P. Stack – Mayor of Union City, New Jersey
 * Michael J. Stack – US Congressman
 * Christopher D. Sullivan – US Congressman
 * James Sullivan – Massachusetts governor
 * Patrick Joseph Sullivan – US Senator
 * Timothy Sullivan – US Congressman
 * Jane Swift – first woman to serve as Massachusetts governor
 * William Howard Taft – 27th President of the United States
 * James Tate – first Catholic mayor of Philadelphia
 * George Taylor – signatory to the Declaration of Independence
 * Charles Thomson – secretary to the Continental Congress
 * Matthew Thornton – signatory to the Declaration of Independence
 * John F. Tierney – US Congressman
 * Maurice J. Tobin – Boston mayor and Massachusetts governor
 * Harry S. Truman – 33rd President of the United States
 * Joseph Patrick Tumulty – attorney/secretary to Woodrow Wilson
 * John V. Tunney – US Senator
 * William M. Tweed – Political boss/US Congressman
 * Jimmy Walker – New York City mayor
 * David I. Walsh – Massachusetts' first Catholic governor
 * James T. Walsh – US Congressman
 * Marty Walsh – Boston mayor
 * Patrick Walsh – US Senator
 * Thomas W. Ward – Austin mayor
 * Thomas J. Whelan – Jersey City mayor
 * Woodrow Wilson – 28th President of the United States
 * William Whipple – signatory to the Declaration of Independence
 * Kevin White – Boston mayor