Namesakes
Fictional Characters from Song Titles:
1 character
(character) Clair 1972 Clair 
Fictional Characters from Television:
1 character
Clair Huxtable 1984; 1987 The Cosby Show; A Different World
Notable Scientists and Inventors:
1 chemist
Clair Patterson 1922-1995
Saints:
1 saint
Saint Clare of Assisi (a.k.a. Clair) 1194-1253