Namesakes
Olympic Medalists:
1 gold, 1 gold/bronze
(gold) Ambrose Gaines IV 1984 swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay 
(gold/bronze) Chryste Gaines 1996; 2000 4x100 m relay
Rock and Roll Hall-of-Famers:
1 musician
Steve Gaines 2006 Lynyrd Skynyrd