Namesakes
Fictional Characters from Books:
1 character
Ignatius J. Reilly 1980 A Confederacy of Dunces 
Fictional Characters from Television:
1 character
Jake Reilly 2007 Private Practice
Notable Actors and Entertainers:
4 actors
Mary Miles Minter (a.k.a. Reilly) 1902-1984
John C. Reilly 1965-
Kelly Reilly 1977-
Georgina Reilly 1986-