Namesakes
Fictional Characters from Television:
1 character
Stewie Griffin (a.k.a. Stewart) 1999 Family Guy 
Notable Actors and Actresses:
3 actors
H. B. Warner (a.k.a. Stewart) 1875-1958
Anthony Head (a.k.a. Stewart) 1954-
Scott Bakula (a.k.a. Stewart) 1954-
Notable Athletes:
1 rugby
(rugby) Mark Bennett (a.k.a. Stewart) 1993-
Notable Scientists and Inventors:
1 inventor
Guy Stewart Callendar 1898-1964