Namesakes
Fictional Characters from Books:
1 villain
James Moriarty 1894 The Memoirs of Sherlock Holmes 
Notable Actors and Entertainers:
3 actors
Michael Moriarty 1941-
Cathy Moriarty 1960-
Erin Moriarty 1994-
Notable Athletes:
1 rugby
(rugby) Ross Moriarty 1994-
Tony Award Winners:
1 actor
(actor) Michael Moriarty 1974 Find Your Way Home