Namesakes
Hall-of-Famers:
1 baseball
(baseball) Casey Stengel (a.k.a. Dillon) 1966 
New Zealand Prime Ministers:
1 prime minister
Francis Bell (a.k.a. Dillon) 1925
Notable Actors and Entertainers:
1 actor
Maika Monroe (a.k.a. Dillon) 1993-