Namesakes
Dido
(a.k.a. O'Malley) (f) 1971- 
Notable Musicians
Daragh O'Malley
(m) 1954-
Notable Actors and Entertainers (actor)
George O'Malley
(m)
Fictional Characters from Television 2005 Grey's Anatomy
Walter O'Malley
(m) 1903-1979
Hall-of-Famers 2008 (baseball)