Namesakes
Seán T. O'Kelly
(m) 1882-1966 
Irish Presidents and Prime Ministers 1945-1959 (president)
Seán Lemass
(m) 1899-1971
Irish Presidents and Prime Ministers 1959-1966 (prime minister)
Seán Ó Faoláin
(m) 1900-1991
Notable Writers
Seán MacBride
(m) 1904-1988
Nobel Prize Winners 1974 (peace)
Sean Connery
(m) 1930-2020
Notable Actors and Entertainers (actor)
Oscar Award Winners 1988 The Untouchables (actor)
Tom McBreen
(middle name Sean) (m) 1952-
Olympic Medalists 1972 swimming - 400 m freestyle (bronze)
Johnny Logan
(a.k.a. Seán) (m) 1954-
Eurovision Song Contest Winners 1980; 1987 Ireland
Notable Musicians
Seán McGinley
(m) 1956-
Notable Actors and Entertainers (actor)
Sean Bean
(m) 1959-
Notable Actors and Entertainers (actor)
Sean Young
(f) 1959-
Notable Actors and Entertainers (actor)
Sean Penn
(m) 1960-
Notable Actors and Entertainers (actor)
Oscar Award Winners 2004; 2009 Mystic River; Milk (actor)
Sean Hannity
(m) 1961-
Notable Journalists
Sean Pertwee
(m) 1964-
Notable Actors and Entertainers (actor)
Sean Patrick Flanery
(m) 1965-
Notable Actors and Entertainers (actor)
Sean Kanan
(m) 1966-
Notable Actors and Entertainers (actor)
Sean Blakemore
(m) 1967-
Notable Actors and Entertainers (actor)
Jason Donovan
(middle name Sean) (m) 1968-
Notable Actors and Entertainers (actor)
Notable Musicians
Robert Sean Leonard
(m) 1969-
Notable Actors and Entertainers (actor)
Sean Combs
(m) 1969-
Notable Musicians
Sean Hayes
(m) 1970-
Notable Actors and Entertainers (actor)
Sean Patrick Thomas
(m) 1970-
Notable Actors and Entertainers (actor)
Sean Astin
(m) 1971-
Notable Actors and Entertainers (actor)
Sean Paul
(m) 1973-
Notable Musicians
Sean Maguire
(m) 1976-
Notable Actors and Entertainers (actor)
Adrian Grenier
(middle name Sean) (m) 1976-
Notable Actors and Entertainers (actor)
Sean Murray
(m) 1977-
Notable Actors and Entertainers (actor)
Tyler Labine
(middle name Sean) (m) 1978-
Notable Actors and Entertainers (actor)
Sean Burroughs
(m) 1980-2024
Olympic Medalists 2000 baseball (gold)
Sean Lamont
(m) 1981-
Notable Athletes (rugby)
Sean Flynn
(m)
Fictional Characters from Song Titles 1982 Sean Flynn
Seán O'Brien
(m) 1987-
Notable Athletes (rugby)
Big Sean
(m) 1988-
Notable Musicians
Sean Maitland
(m) 1988-
Notable Athletes (rugby)
Seán William "Jacksepticeye" McLoughlin
(m) 1990-
Notable Actors and Entertainers (youtuber)
Sean McMahon
(m) 1994-
Notable Athletes (rugby)
Sean Blumberg
(m)
Fictional Characters from Television 1998 Felicity
Sean DeLuca
(m)
Fictional Characters from Television 1999 Roswell
Sean Hillinger
(m)
Fictional Characters from Television 2001 24
Sean McNamara
(m)
Fictional Characters from Television 2003 Nip/Tuck
Sean
(m)
Hurricanes and Tropical Storms 2011 (storm)
Sean
(m)
Hurricanes and Tropical Storms 2023 (storm)