Namesakes
American First Ladies:
1 first lady
Grace Coolidge 1923-1929 
American Presidents:
1 president
Calvin Coolidge 1923-1929
Fictional Characters from Movies:
1 character
Butch Coolidge 1994 Pulp Fiction
Fictional Characters from Television:
1 character
Emma Coolidge 2006 Heroes
Notable Actors and Entertainers:
1 actor
Jennifer Coolidge 1961-