Hall-of-Famers: 1 baseball
(baseball) Hugh Duffy   1945  
Notable Actors and Entertainers: 1 actor
Patrick Duffy   1949-  
Notable Athletes: 1 soccer
(soccer) Shane Duffy   1992-  
Notable Musicians: 2 singers, 1 musician
Jet Black (a.k.a. Duffy)   1938-2022  
Keith Duffy   1974-  
Duffy   1984-  
Notable Writers: 1 author
A. S. Byatt (a.k.a. Duffy)   1936-