Namesakes
Carl Cain
(m) 1934-2024 
Olympic Medalists 1956 basketball (gold)
Dean Cain
(m) 1966-
Notable Actors and Entertainers (actor)
Jonathan Cain
(m) 1950-
Rock and Roll Hall-of-Famers 2017 Journey
Julius Cain
(m)
Fictional Characters from Television 2009; 2017 The Good Wife; The Good Fight