Declan Costello
(m)
Fictional Characters from Television 1994 Heartbreak High
Dolores Costello
(f)
1903-1979
Notable Actors and Entertainers (actor)
Elvis Costello
(m)
1954-
Notable Musicians
Rock and Roll Hall-of-Famers 2003 Elvis Costello & the Attractions
John A. Costello
(m)
1891-1976
Irish Presidents and Prime Ministers 1948-1951; 1954-1957 (prime minister)
Larry Costello
(f)
1931-2001
Hall-of-Famers 2022 (basketball)