Grammy Award Winners: 1 best new artist/song of the year/album of the year/record of the year
(best new artist/song of the year/album of the year/record of the year) Billie Eilish (a.k.a. O'Connell)   2020; 2021   ; Bad Guy; When We All Fall Asleep, Where Do We Go?; Everything I Wanted  
Notable Actors and Entertainers: 4 actors
Arthur O'Connell   1908-1981  
Rebecca Romijn (a.k.a. O'Connell)   1972-  
Jerry O'Connell   1974-  
Jack O'Connell   1990-  
Notable Athletes: 1 rugby
(rugby) Paul O'Connell   1979-  
Notable Musicians: 1 musician, 1 singer
Finneas O'Connell   1997-  
Billie Eilish (a.k.a. O'Connell)   2001-