Namesakes
Notable Actors and Actresses:
1 actor, 1 actress, 1 actress/comedian
Sandy Dennis 1937-1992 
Gabrielle Dennis 1978-
Rowly Dennis 1980-
Notable Athletes:
1 gymnastics
(gymnastics) Nia Dennis 1999-
Olympic Medalists:
1 gold, 1 silver
(gold) Clare Dennis 1932 swimming - 200 m breaststroke
(silver) Rohan Dennis 2012 cycling - track
Oscar Award Winners:
1 actress
(actress) Sandy Dennis 1966 Who's Afraid of Virginia Woolf?