Namesakes
Eurovision Song Contest Winners:
1 winner
Paul Harrington 1994 Ireland 
Fictional Characters from Television:
2 characters
Maddie Harrington 1997 Ally McBeal
Steve Harrington 2016 Stranger Things
Notable Musicians:
1 musician/singer
Paul Harrington 1960-
Saints:
1 blessed
Blessed William Harrington 1566-1594