Namesakes
Fictional Characters from Television:
2 characters, 1 hero
Clarke Garrison 1987 The Bold and the Beautiful 
Clarke "C. J." Garrison Jr. 1987 The Bold and the Beautiful
Clarke Griffin 2014 The 100
Hall-of-Famers:
1 football
(football) Clarke Hinkle 1964
Notable Actors and Entertainers:
2 actors
Michael Clarke Duncan 1957-2012
Randy Harrison (middle name Clarke) 1977-
Notable Musicians:
1 musician/singer
Isaac Hanson (a.k.a. Clarke) 1980-
Olympic Medalists:
1 gold
(gold) Clarke Scholes 1952 swimming - 100 m freestyle
Other Leaders:
1 prime minister
Prime Minister Alexander Bustamante (middle name Clarke) 1962-1967 Jamaica