Actors

Arts

• Jean Butler – dancer; mother is from County Mayo
• Kurt Cobain – songwriter and musician, lead singer of Nirvana
• Auliʻi Cravalho – singer and actress
• Colleen Doran – cartoonist, illustrator, writer
• Michael Flatley – dancer, musician, businessman^[1]
• William Harnett – painter, Irish immigrant best known for trompe-l'œil renderings of still life
• Carrie Ann Inaba – dancer, actress; mother of Chinese and Irish descent
• Gene Kelly – dancer, actor, singer, director, choreographer
• Nancy Jewel McDonie – singer, dancer, member of the South Korean group Momoland; mother is Korean and father is of Irish ancestry
• Dorothy Miner – art historian and curator
• Georgia O'Keeffe – painter; of Irish and Hungarian ancestry
• Eileen O'Meara – animator, artist; of Irish and Italian ancestry
• Christopher Ross, sculptor and designer; grandfather is from Dublin
• Augustus Saint-Gaudens – sculptor; Irish mother

Astronauts

• Eileen Collins – commander for STS-93 and STS-114; pilot for STS-63 and STS-84
• Michael Collins – Command Module Pilot for Apollo 11, 1969
• James Irwin – Lunar Module Pilot for Apollo 15
• Mark Kelly – commander for STS-124 and STS-134; pilot for STS-121 and STS-108
• Scott Kelly – NASA astronaut; he and his brother Mark are the only twins and the only siblings who have both traveled in space

Business

• Diamond Jim Brady – financier and philanthropist^[2]
• Edward Creighton – Omaha businessman and philanthropist
• John A. Creighton (1831–1907) – Omaha businessman and philanthropist
• Marcus Daly (1841–1900) – A "Copper King" of Butte, Montana, United States
• Henry Ford – founder of Ford Motor Company; Anglo-Irish^[3]
• Paul Galvin – inventor of the car radio; founder of Motorola
• Franklin B. Gowen – lawyer; president of the Philadelphia and Reading Railroad; prosecuted the trial against the Molly Maguires^[4]
• William Russell Grace (1832–1904) – mayor of New York City and founder of W. R. Grace and Company
• Herb Kelleher – Southwest Airlines chairman
• Joseph P. Kennedy Sr – SEC Chairman, US Ambassador to the UK, bootlegger
• John Leahy – COO of Airbus; commercial pilot
• Richard and Maurice McDonald – founders of McDonald's
• Tom Monaghan – founder of Domino's Pizza^[5]
• Bill Rancic – entrepreneur
• Vinny Smith – software executive, billionaire, and philanthropist
• Jack Welch – former CEO of GE^[6]
• Edmund McIlhenny Inventor of hot sauce.

Film directors and producers

• Roy E. Disney (1930–2009) – senior executive for The Walt Disney Company; son of Roy O. Disney
• Roy O. Disney – Walt Disney's brother
• Walt Disney^[7]
• Thom Fitzgerald – known for independent films including The Hanging Garden; grandparents were immigrants from County Kerry and County Cavan
• John Ford – best known for stylish Westerns and The Quiet Man
• Alfred Hitchcock – mother of Irish descent^[8]
• John Huston – became an Irish citizen in 1964; father of Irish descent^[9][10]
• Leo McCarey – Irish father^[11]
• Michael Moore^[12]
• John Sayles (1950– ) – independent film director and writer, frequently takes a small part in his own and other indie films; both parents are half Irish^[13]

Gangsters and mobsters

Journalists, news producers, talk show hosts

• Mike Barnicle^[14]
• Nellie Bly
• Jimmy Breslin^[15]
• William F. Buckley, Jr. (1925–2008)
• Howie Carr
• Ann Coulter^[16]
• John Devoy (1842–1928) – editor of the Gaelic American 1903–1928
• Phil Donahue^[17]
• Maureen Dowd^[18]
• Roger Ebert
• Jimmy Fallon
• Austin E. Ford (1857–1896) – editor of the New York Freeman
• Patrick Ford (1837–1913) – founded the Irish World in New York
• Pete Hamill
• Sean Hannity^[19]
• Greg Kelly
• Mary McGrory – Washington political reporter and columnist
• James McMaster (1820–1886) – editor of Freeman's Journal (New York)
• Chris Matthews^[20]
• John Mitchel (1815–1875) – editor of leading Confederate newspaper
• Peggy Noonan (1950– ) – author, political analyst and columnist
• Conan O'Brien
• Soledad O'Brien – journalist and producer
• Norah O'Donnell
• John Boyle O'Reilly (1844–1890) – editor of Boston Pilot
• Bill O'Reilly^[21]
• John L. O'Sullivan
• Dennis Roddy^[22]
• Tim Russert (1950–2008) – hosted NBC's Meet the Press 1991–2008
• Mark Shields (1937–2022)
• Ed Sullivan^[23]
• Elizabeth Vargas – ABC News anchor
• Brian Williams – NBC News anchor
• Ellen DeGeneres – talk show host

Law enforcement

• John O. Brennan – Director of the CIA
• Raymond W. Kelly – former New York Police Commissioner
• Francis O'Neill – Chicago Police Chief
• Bernard Kerik former NYPD commissioner (Irish mother)
• Bat Masterson

Law

• William J. Brennan, Jr. – Associate Justice of the Supreme Court of the United States^[24]
• Wayne M. Collins – civil rights attorney^[25]
• James B. Comey - former United States Deputy Attorney General^[26]
• Charles Patrick Daly - Chief Justice New York Court of Common Pleas
• Patrick Fitzgerald – United States Attorney for the Northern District of Illinois^[27]
• Anthony Kennedy – Associate Justice of the Supreme Court of the United States^[28]
• Frank Murphy – Associate Justice of the Supreme Court of the United States
• Roger I. McDonough – Chief Justice of the Utah Supreme Court
• Dorothy Miner – chief counsel for the New York City Landmarks Preservation Commission
• Roger J. Traynor – Chief Justice of the Supreme Court of California

Literature

• Philip K. Dick - science fiction writer who had grandparents of Irish Quaker ancestry^[29]
• Philip Barry – playwright; author of The Philadelphia Story
• Ted Berrigan – poet, part of the second generation of the New York School; author of The Sonnets^[30]
• John Berryman – poet; a founder of the confessional school of poetry^[30]
• Louise Bogan – poet, translator, and critic; Poet Laureate of the United States 1945–1946^[30]
• T. Coraghessan Boyle – novelist and short story writer; awarded the 1988 PEN/Faulkner Award for novel World's End
• Bill Bryson – travel writer; awarded an honorary OBE for his contribution to literature
• William F. Buckley, Jr. (1925–2008)
• John Horne Burns – novelist and travel writer; author of The Gallery
• Jim Carroll – author, poet, and punk musician; author of The Basketball Diaries
• Neal Cassady – author and poet; the basis for the character Dean Moriarty in Jack Kerouac's novel On the Road
• Raymond Chandler – novelist and short story writer; author of the Philip Marlowe detective series that shaped the modern "private eye" story
• Mary Coyle Chase – playwright and screenwriter; awarded the 1945 Pulitzer Prize for Drama for Harvey
• Kate Chopin – novelist and short story writer; The Awakening (1899) is considered a proto-feminist precursor to American modernism
• Tom Clancy – author of many bestselling novels, including The Hunt for Red October and Clear and Present Danger
• Mary Higgins Clark – bestselling author of suspense novels
• Billy Collins – poet; twice Poet Laureate of the United States, 2001–2003^[30]
• Joe Connelly – novelist; author of Bringing Out the Dead
• Michael Connelly – crime novelist; author of the bestselling Harry Bosch detective series
• Pat Conroy – novelist and memoirist; author of The Great Santini and The Prince of Tides
• Robert Creeley – poet and author associated with the Black Mountain poets; awarded a 2000 American Book Award Lifetime Achievement Award^[30]
• Maureen Daly – novelist and short story writer; Seventeenth Summer (1942) is considered the first young adult novel
• J.P. Donleavy – novelist; author of The Ginger Man, named on the Modern Library List of Best 20th-Century Novels
• Kirby Doyle – poet and novelist; associated with the New American Poetry movement and "third generation" American modernist poets
• Alan Dugan – poet; winner of the 1961 Pulitzer Prize for Poetry for his volume Poems^[30]
• James T. Farrell – novelist; author of the Studs Lonigan trilogy, named on the Modern Library List of Best 20th-Century Novels
• F. Scott Fitzgerald – novelist and short story writer; The Great Gatsby was named on both the Modern Library List of Best 20th-Century Novels and the TIME 100 Best English-Language Novels from 1923 to 2005^[31]
• Robert Fitzgerald – poet, critic, and translator; Poet Laureate of the United States 1984–1985
• Thomas Flanagan – novelist and academic; winner of the 1979 National Book Critics Circle Award for The Year of the French
• Vince Flynn – political thriller novelist; author of bestselling Mitch Rapp series
• Alice Fulton – poet and short story writer; awarded the 2002 Bobbitt National Prize for Poetry for Felt^[30]
• Tess Gallagher – poet, short story writer, essayist, and playwright^[30]
• Lucy Grealy – poet, memoirist, and essayist; author of Autobiography of a Face
• Pete Hamill – journalist, columnist, novelist, and short story writer
• George V. Higgins – novelist, columnist, and academic; known for bestselling crime novels including The Friends of Eddie Coyle
• Robert E. Howard (1906-1936) - poet, novelist, epistolean and author for Conan the Barbarian, Solomon Kane and Kull the Conqueror
• Fanny Howe – poet, novelist, and short-story writer; awarded the 2001 Lenore Marshall Poetry Prize for Selected Poems
• Marie Howe – poet; winner of the 1987 Open Competition of the National Poetry Series for The Good Thief^[30]
• Susan Howe – poet and literary critic; American Book Awards in 1981 for The Liberties and 1986 for My Emily Dickinson^[30]
• Brigit Pegeen Kelly – poet; finalist for the 2005 Pulitzer Prize for Poetry for The Orchard^[30]
• Robert Kelly – poet associated with the deep image group; awarded a 1980 American Book Award for In Time
• William Kennedy – novelist and author; winner of the 1983 National Book Critics Circle Award for Fiction, 1984 Pulitzer Prize for Fiction for Ironweed, and 1984 American Book Award for O Albany!
• X. J. Kennedy – poet, translator, anthologist, editor, and children's author^[30]
• Richard Kenney – poet and academic
• Jean Kerr – author and Tony Award-winning playwright
• Galway Kinnell – poet; awarded the 1983 Pulitzer Prize for Poetry and 1983 National Book Award for Poetry for Selected Poems^[30]
• R. A. Lafferty – Hugo and Nebula-nominated science fiction author
• Michael Lally – poet and author; awarded a 2000 American Book Award for It's Not Nostalgia: Poetry and Prose
• James Laughlin – poet and publisher; winner of the 1989 National Book Critics Circle Award Lifetime Achievement Award and the 1992 National Book Awards Medal of Distinguished Contribution to American Letters; namesake of the annual James Laughlin Award administered by the Academy of American Poets
• Dennis Lehane – novelist, author of A Drink Before the War and Mystic River
• John Logan – poet and academic; awarded the 1982 Lenore Marshall Poetry Prize for Only the Dreamer Can Change the Dream
• William Logan – poet, critic, and scholar; awarded the 2005 National Book Critics Circle Award for Criticism for The Undiscovered Country: Poetry in the Age of Tin
• Thomas Lynch – poet and essayist; awarded a 1998 American Book Award for The Undertaking: Life Studies from the Dismal Trade
• Michael Patrick MacDonald – memoirist; winner of a 2000 American Book Award for All Souls: A Family Story From Southie
• George R. R. Martin – author of the epic fantasy novel series A Song of Ice and Fire
• Cormac McCarthy – novelist and playwright; author of Blood Meridian and winner of the 2007 Pulitzer for The Road
• Frank McCourt – memoirist; winner of the 1996 National Book Critics Circle Award and the 1997 Pulitzer Prize for Biography or Autobiography for Angela's Ashes
• Alice McDermott – novelist; awarded the 1998 National Book Award and a 1999 American Book Award for Charming Billy
• Campbell McGrath – poet
• Thomas McGrath – poet; awarded a 1984 American Book Award for Echoes Inside the Labyrinth and the 1989 Lenore Marshall Poetry Prize for Selected Poems: 1938–1988^[30]
• Thomas McGuane – novelist, screenwriter, and short story writer; nominated for a National Book Award for Ninety-Two in the Shade
• Jay McInerney – novelist; author of Bright Lights, Big City
• James McMichael – poet; awarded the 1999 Arthur Rense Prize
• Terrence McNally – playwright; winner of six Tony Awards and nominated for the 1994 Pulitzer Prize for Drama for A Perfect Ganesh
• Maile Meloy – novelist and short story writer; awarded The Paris Review's 2001 Aga Khan Prize for Fiction for her story "Aqua Boulevard"
• Margaret Mitchell – novelist; awarded the 1937 Pulitzer Prize for Gone with the Wind
• Helen Curtin Moskey – poet
• Robert C. O'Brien – journalist and children's author; awarded the 1972 Newbery Medal for Mrs. Frisby and the Rats of NIMH
• Tim O'Brien – novelist and short story writer; prominent author of fiction about the Vietnam War, including The Things They Carried, a finalist for both the Pulitzer Prize and the National Book Critics Circle Award
• Edwin O'Connor – novelist, winner of the 1962 Pulitzer Prize for Fiction for The Edge of Sadness
• Flannery O'Connor – novelist and short story writer; notable author in the Southern Gothic style
• Frank O'Hara – poet, prominent member of the New York School^[30]
• John O'Hara – novelist; author of Appointment in Samarra, named one of the TIME 100 Best English-Language Novels from 1923 to 2005^[31]
• Charles Olson – poet and critic, associated with the second generation American Modernist poets; author of The Maximus Poems^[30]
• Eugene O'Neill – playwright; awarded the 1936 Nobel Prize for Literature; four-time winner of the Pulitzer Prize for Drama
• J.F. Powers – novelist and short story writer; winner of the 1963 National Book Award for Morte d'Urban
• Anne Rice – horror novelist; author of bestselling Interview with a Vampire series
• Nora Roberts – romance novelist; first inductee into the Romance Writers of America Hall of Fame
• Kay Ryan – poet and academic; Poet Laureate of the United States
• Michael Ryan – poet; awarded the 1990 Lenore Marshall Poetry Prize for God Hunger^[30]
• John Patrick Shanley – playwright and screenwriter; winner of the 2005 Pulitzer Prize for Drama for Doubt: A Parable
• Mickey Spillane – crime novelist; author of bestselling Mike Hammer detective novels
• John Kennedy Toole – novelist; posthumously awarded the 1981 Pulitzer Prize for Fiction for A Confederacy of Dunces
• Michael Walsh – novelist and screenwriter; awarded a 2004 American Book Award for And All The Saints
• John Wieners - poet, student of Charles Olson, associated with the Beats and the Boston School.
• Roger Zelazny – fantasy and science fiction author; winner of three Nebula Awards and six Hugo Awards

Military

• John Barry – Irish-born Revolutionary War Navy Captain.^[32]
• Michael Corcoran – United States Army general^[33]
• James Hickey – leader of Operation Red Dawn; son of Irish immigrants^[34]
• Stephen W. Kearny – US Army officer, noted for action in the southwest during the Mexican–American War^[35]
• Andrew Lewis – Continental Army general^[36]
• Alfred Thayer Mahan – naval officer and author whose work, including Sea Power, inspired the creation of the modern United States Navy
• Dennis Hart Mahan – guiding light and head of faculty at West Point for decades prior to the Civil War; influential author whose published works were the keystone for spreading engineering knowledge throughout the antebellum US; his Napoleon seminar at West Point informed Civil War strategies, North and South
• George Gordon Meade – commanding general of the Army of the Potomac who led the Union forces to victory at Gettysburg in 1863
• Thomas Francis Meagher – United States Army general, Fenian
• Richard Montgomery – Continental Army general^[37]
• Audie Murphy – most decorated combat soldier of World War II^[38]
• Lt. Michael Patrick Murphy – Navy Seal, Medal of Honour
• Timothy Murphy – marksman, Continental Army; parents were Irish immigrants^[39]
• Thomas Macdonough, Jr. 19th-century Irish-American naval officer
• Jeremiah O'Brien – captain in Continental Navy^[40]
• Joseph T. O'Callaghan – Medal of Honour
• John O'Neill – United States Army general, Fenian^[41]
• John P. O'Neill – high ranking anti-terrorism expert^[42]
• Molly Pitcher – Revolutionary War heroine^[43]
• John Reynolds – general commanding the right wing of the Army of the Potomac who surprised Lee and committed the Union Army to battle at Gettysburg in July 1863; killed in the front lines while personally rallying troops for counterattacks during the first day of fighting
• Philip Sheridan – United States Army, General of the Army, Cavalry^[44]
• John Fitzgerald – established the first Catholic church in Virginia and served as aide-de-camp to George Washington^[45]
• George Crawford Platt - Irish Immigrant, served during Civil War, Medal of Honor recipient.

Musicians

• Main article: List of American musicians of Irish descent

Politicians

• Main article: List of American politicians of Irish descent

Presidents

At least 22 presidents of the United States have some Irish ancestral origins.^[46]

Andrew Jackson (Scotch-Irish and English)

7th President 1829–37: He was born in the predominantly Ulster-Scots Waxhaws area of South Carolina two years after his parents left Boneybefore, near Carrickfergus in County Antrim.^[47][48]

James Knox Polk (Scotch-Irish)

11th President, 1845–49: His ancestors were among the first Ulster-Scots settlers, emigrating from Coleraine in 1680 to become a powerful political family in Mecklenburg County, North Carolina.^[49]

James Buchanan (Scotch-Irish)

15th President, 1857–61: The Buchanans were originally from Deroran, near Omagh in County Tyrone where the ancestral home still stands.^[49]

Andrew Johnson (Irish & English)

17th President, 1865–69: His grandfather was of English ancestry. His mother was Mary “Polly” McDonough, who was of Irish ancestry.^[49][50]

Ulysses S. Grant (Possibly Irish, Scotch-Irish, English & Scottish)

18th President, 1869–77: The home of his maternal great-grandfather, John Simpson, at Dergenagh, County Tyrone, is the location for an exhibition on the eventful life of the victorious Civil War commander who served two terms as President. Grant visited his ancestral homeland in 1878.^[49] His grandmother was Rachel Kelley, the daughter of an Irish pioneer.^[51]

Chester A. Arthur (Scotch-Irish & English)

21st President, 1881–85: His family left Dreen, near Cullybackey, County Antrim, in 1815. There is now an interpretive centre alongside the Arthur Ancestral Home that is devoted to his life and times.^[49][52]

Grover Cleveland (Irish, Anglo-Irish)

22nd and 24th President, 1885–89 and 1893–97: Born in New Jersey, he was the maternal grandson of merchant Abner Neal, who emigrated from County Antrim in the 1790s.^[49] Stephen Grover Cleveland was born to Ann (née Neal) and Richard Falley Cleveland. Ann Neal was of Irish ancestry and Richard Falley Cleveland was of Anglo-Irish and English ancestry^[53]

Benjamin Harrison (Scotch-Irish & English)

23rd President, 1889–93: His mother, Elizabeth Irwin, had Ulster-Scots roots through her two great-grandfathers, James Irwin and William McDowell.^[49][54]

William McKinley (Scotch-Irish & English)

25th President, 1897–1901: Born in Ohio, the descendant of a farmer from Conagher, near Ballymoney, County Antrim, he was proud of his ancestry and addressed one of the national Scotch-Irish congresses held in the late 19th century.^[49][55]

Theodore Roosevelt (Irish, Scotch-Irish, Dutch, Scotch, English & French)

26th President, 1901-09: His mother, Mittie Bulloch, had Ulster-Scots ancestors who emigrated from Glenoe, County Antrim, in May 1729.^[56]

William Howard Taft (Irish & English)

27th President 1909–13: His great-great-great-grandfather, Robert Taft, was born in 1640 in Ireland and immigrated to America during the mid 17th century. Robert Taft was from County Louth.^[57][58]

Woodrow Wilson (Scotch-Irish)

28th President, 1913–21: Of Ulster-Scot descent on both sides of the family, Wilson was the grandson of a printer from Dergalt, near Strabane, County Tyrone, whose former home is open to visitors.^[49]

Warren G. Harding (Scotch-Irish & English)

29th President 1921–23^[59]

Harry S. Truman (Scotch-Irish & German)

33rd President 1945–53^[60][61]

John F. Kennedy (Irish)

35th President 1961–63 (ancestors from County Wexford, County Limerick, County Cork, County Clare and County Fermanagh)^[62]: 231

Richard Nixon (Irish, Scotch-Irish, English & German)

37th President, 1969–74: The Nixon ancestors left Ulster in the mid-18th century; the Quaker Milhous family ties were with County Antrim and County Kildare and County Cork.^[49]

Jimmy Carter (Scotch-Irish & English)

39th President 1977–1981 (County Antrim)^[49]

Ronald Reagan (Irish, English & Scottish)

40th President 1981–89: He was the great-grandson, on his father's side, of Irish migrants from County Tipperary who came to America via Canada and England in the 1850s and 1870s. His mother was of Scottish and English ancestry.^[63]

George H. W. Bush (Irish and English)

41st President 1989–93: Bush's ancestors include the Anglo-Norman Richard de Clare, Earl of Pembroke, who led an invasion of Ireland. Bush's genetic line can also be traced to Dermot MacMurrough, a traitor who sold out his Irish countrymen for personal gain.^[64][65]

Bill Clinton (Irish, Scotch-Irish & English)^[66]

42nd President 1993–2001: According to a census document, his paternal great-grandmother Hattie Hayes had two Irish parents and his paternal great-grandfather had an Irish father. Clinton's mother's maiden name, Cassidy, also suggests Irish ancestry on the maternal side, although there is no documentation to substantiate that claim.^{[62]: 129–130, 234}

George W. Bush (Irish, Scottish, Dutch, Welsh, French, German & English)

43rd President 2001–09: One of his five times great-grandfathers, William Holliday, was born in Rathfriland, County Down, about 1755, and died in Kentucky about 1811–12. One of the President's seven times great-grandfathers, William Shannon, was born somewhere in County Cork about 1730 and died in Pennsylvania in 1784.^[65]

Barack Obama (Kenyan, English & Irish)

44th President 2009–2017: His great-great-grandfather, Falmouth Kearney, was born in the Irish town of Moneygall.^[67]

Joe Biden (Irish and English)

46th President 2021-present: His closest link to Ireland is his great-grandfather James Finnegan, who was born in County Louth, Ireland in 1840.^[68]

Science

• Jim Collins – Rhodes Scholar, MacArthur genius, bioengineer and inventor
• John Philip Holland – inventor of the submarine, Fenian
• Charles Brian Montagu McBurney – medical pioneer, known for early reports about appendicitis
• John Murphy (engineer) – invented ARCNET, the first commercial networking system
• Joseph John O'Connell – electrical engineer and inventor, invented the circuit breaker, the coin return, and the "invisible wire" which was the first time more than one telephone conversation could occur on the same wire
• O. Timothy O'Meara – mathematician, University of Notre Dame
• Charles Townes – physicist, Nobel Prize in Physics laureate
• James Watson – molecular biologist, discoverer of double helix structure DNA, laureate

Sports

• Brendon Ayanbadejo – American football player
• Obafemi Ayanbadejo – American football player
• Laila Ali – former professional boxer
• Muhammad Ali – legendary professional boxer; descended from the Abe O'Grady, Ennis, County Clare
• James J. Braddock – champion boxer
• Kyle Brady – American football player
• Tom Brady – American football quarterback
• Tom Cahill – Major League Baseball player
• Mark Calaway – pro wrestler with the WWE, known as the Undertaker
• Jim Calhoun – NCAA men's basketball coach
• Ryan Callahan – Ice hockey player
• Matt Cavanaugh – American football coach and former NFL player
• John Cena – WWE professional wrestler; mother is of Irish descent
• Gerry Cooney – heavyweight boxer
• John Daly – professional golfer in PGA Tour
• Jack Dempsey – World Heavyweight Champion 1919–1926
• Pat Duff – Major League Baseball player
• John Elway – Hall of Fame NFL quarterback
• Whitey Ford – Hall of Fame pitcher for the NY Yankees
• Jeff Hardy – ROH professional wrestler
• Matt Hardy – professional wrestler
• Ben Hogan – Hall of Fame PGA golfer
• AJ Styles – WWE professional wrestler^[69]
• Derek Jeter – five-time World Series champion shortstop for NY Yankees
• Patrick Kane – Ice hockey player
• Jason Kidd – NBA point guard
• Marie Mahoney – All-American Girls professional baseball player
• McKayla Maroney – double Olympic medalist for gymnastics in London 2012; parents of Irish descent^[70]
• Dave McCloughan – American football defensive back^[71]
• Kent McCloughan – American football scout, father of Scot and Kent^[71]
• Scot McCloughan – American football general manager^[71]
• John McEnroe – professional tennis player
• Kevin McHale – NBA Hall of Famer
• Johnny "Blood" McNally – American football player
• Ryan Meara – NY Red Bulls goalkeeper
• Shannon Moore – professional wrestler
• Troy O'Leary – Boston Red Sox outfielder for six years
• Kelley O'Hara – Professional Soccer player; Currently with United States Women's National Soccer Team Player and the National Women's Soccer League Utah Royals FC; FIFA Women's World Cup champion (2015) and Olympic soccer gold medalist (2012); Hermann Trophy winner 2009
• Heather O'Reilly – Professional Soccer player; Former United States Women's National Soccer Team Player, Currently with Arsenal Ladies; FIFA Women's World Cup champion (2015) and Olympic soccer gold medalist (2008, 2012)
• Michael Phelps^[72]
• CM Punk – Father is of Irish descent
• John Quinlan – pro wrestler
• Ryan Max Riley – humorist and national champion skier
• Freddie Roach – former boxer and current boxing trainer^[73]
• Kelly Slater – professional surfer
• John L. Sullivan – last bare-knuckle boxing heavyweight champion of the world; first gloved heavyweight champion of the world; first American athlete to become a national celebrity and to earn over $1 million
• Mickey Ward – WBA champion boxer
• Lenny Wilkens – NBA player
• Vince McMahon – professional wrestling promoter and executive, American football executive, and businessman.
• Derrick Williams

Others

• "The Unsinkable Molly Brown" – born Molly Tobin; Irish father
• R. Nicholas Burns – diplomat, Harvard professor, columnist and lecturer; 19th Undersecretary of State for Political Affairs; 17th United States Permanent Representative to NATO; US Ambassador to Greece 1997–2001^[74]
• Eileen Collins – first female commander of a Space Shuttle
• George Croghan - colonial Irish American Indian trader
• Pamela Kyle Crossley – historian
• Ann Dunham – anthropologist and mother of Barack Obama
• John Dunlap – printer, printed the first copies of the Declaration of Independence^[75]
• Thomas Fitzpatrick -mountain man
• Henry Louis Gates – professor at Harvard University^[76]
• Ann Glover – hanged as a witch in Boston^[77]
• Sasha Grey – pornographic actress
• Dan Harrington – world poker champion
• James Healy – Bishop of Portland America's first African-American bishop; born a slave according to the laws of Georgia to an Irish immigrant and his African wife; first graduate and valedictorian of Holy Cross College in Massachusetts
• Michael Healy – Captain of the Revenue Cutter Bear; defender of Alaska's Native Americans; inspiration for Jack London's The Sea Wolf; prominent figure in James Michener's Alaska; younger brother of James and Patrick Healy
• Patrick Healy – President of Georgetown University, considered its second founder; brother of James Healy; first African-American president of an American university; priest in the Society of Jesus (the Jesuits)
• James Hoban – architect of the White House
• Mary Jemison – frontierswoman; born on board ship as her parents were emigrating to the US^[78]
• Jacqueline Kennedy Onassis – former First Lady; her mother, Janet Lee Bouvier, is of mostly Irish descent
• Martin Luther King Jr. – African-American civil rights leader, activist, and pastor; his paternal line traces directly back to Ireland^[79]
• Bat Masterson – lawman
• Christa McAuliffe – teacher and astronaut who was killed in the 1986 Space Shuttle Challenger disaster
• Dwight C. Miner – historian and professor
• Paul Charles Morphy (1837–1884) – chess player^[80]
• Michael Patrick Mulroy – Deputy Assistant Secretary of Defense for Jim Mattis, CIA officer, U.S. Marine, documentary film maker and Irish American.^[81]
• Michael Patrick Murphy – U.S. Navy SEAL, Medal of Honor recipient, U.S. Navy Ship named in his honor the USS Michael Murphy
• Richard T. Nolan – writer, Episcopal Church canon, retired philosophy and religion professor
• Frank Sheeran – WWII army vet, hitman, topic of 2019 movie The Irishman
• Ellen Ewing Sherman – stepsister and wife of William Tecumseh Sherman
• David Steele – Presbyterian minister
• Kathleen Willey – a major figure in the Paula Jones and Monica Lewinsky scandals involving President Bill Clinton; mother is of Irish descent