Namesakes
David Cassidy
(m) 1950-2017 
Notable Actors and Entertainers (actor)
Notable Musicians
Eva Cassidy
(f) 1963-1996
Notable Musicians
Orlagh Cassidy
(f) 1968-
Notable Actors and Entertainers (actor)
Raquel Cassidy
(f) 1968-
Notable Actors and Entertainers (actor)