Namesakes
French Presidents and Prime Ministers:
1 prime minister
(prime minister) Jean Baptiste Gay, vicomte de Martignac 1828-1829 
Notable Actors and Entertainers:
3 actors, 1 presenter
Gay Byrne 1934-2019
Gay Hamilton 1943-
Marcia Gay Harden 1959-
Lisa Gay Hamilton 1964-
Oscar Award Winners:
1 actress
(actress) Marcia Gay Harden 2001 Pollock