Namesakes

Emmy Award Winners: 2 actors
(actor) Donald O'Connor   1954   Colgate Comedy Hour  
(actor) Carroll O'Connor   1972; 1977; 1978; 1979; 1989   All in the Family; In the Heat of the Night  
Grammy Award Winners: 1 song of the year
(song of the year) Ella Marija Lani "Lorde" Yelich-O'Connor   2014   Royals  
Hall-of-Famers: 1 ice hockey
(ice hockey) Herbert "Buddy" O'Connor   1988  
Most Valuable Players: 1 winner
Herbert "Buddy" O'Connor   1948   ice hockey  
Notable Actors and Actresses: 3 actors, 1 actress
Carroll O'Connor   1924-2001  
Donald O'Connor   1925-2003  
Frances O'Connor   1967-  
Josh O'Connor   1990-  
Notable Athletes: 1 ice hockey
(ice hockey) Herbert "Buddy" O'Connor   1916-1977  
Notable Musicians: 1 singer
Ella Marija Lani "Lorde" Yelich-O'Connor   1996-   pop  
Olympic Medalists: 1 bronze, 1 gold/bronze, 1 silver
(gold/bronze) Wally O'Connor   1924; 1932   swimming - 4x200 m freestyle relay; water polo  
(silver) Mary Anne O'Connor   1976   basketball  
(bronze) Cián O'Connor   2012   equestrian  
Pulitzer Award Winners: 1 winner
Edwin O'Connor   1962   The Edge of Sadness  
Title Characters: 1 song
(song) Erin O'Connor   2008   Erin O'Connor