Namesakes
Billie Eilish
(a.k.a. O'Connell) (f) 2001- 
Grammy Award Winners 2020; 2021 ; Bad Guy; When We All Fall Asleep, Where Do We Go?; Everything I Wanted (best new artist/record of the year/song of the year/album of the year)
Notable Musicians
Rebecca Romijn
(a.k.a. O'Connell) (f) 1972-
Notable Actors and Entertainers (actor)
Jerry O'Connell
(m) 1974-
Notable Actors and Entertainers (actor)
Finneas O'Connell
(m) 1997-
Notable Musicians
Jack O'Connell
(m) 1990-
Notable Actors and Entertainers (actor)
Arthur O'Connell
(m) 1908-1981
Notable Actors and Entertainers (actor)
Paul O'Connell
(m) 1979-
Notable Athletes (rugby)