Namesakes
Fictional Characters from Books:
1 character
Gilbert Blythe 1908 Anne of Green Gables 
Fictional Characters from Television:
1 character
Gil Grissom 2000; 2021 CSI: Crime Scene Investigation; CSI: Vegas
Hall-of-Famers:
2 ice hockey, 1 baseball
(ice hockey) Tim Horton (a.k.a. Gilbert) 1977
(ice hockey) Gilbert Perreault 1990
(baseball) Gil Hodges 2022
Hurricanes and Tropical Storms:
1 hurricane
Hurricane Gilbert 1988
Notable Actors and Entertainers:
1 actor/comedian
Gilbert Gottfried 1955-2022
Notable Athletes:
2 ice hockey, 1 cricket, 1 soccer
(cricket) W. G. Grace (a.k.a. Gilbert) 1848-1915
(ice hockey) Tim Horton (a.k.a. Gilbert) 1930-1974
(ice hockey) Gilbert Perreault 1950-
(soccer) Rodolfo Pizarro (a.k.a. Gilbert) 1994-
Notable Military Figures:
1 commander
Lafayette (a.k.a. Gilbert) 1757-1834
Notable Musicians:
1 musician
Gilbert Bécaud 1927-2001
Notable Writers:
1 author
G. K. Chesterton (a.k.a. Gilbert) 1874-1936
Olympic Medalists:
2 gold, 2 silver, 1 bronze
(silver) Norman Pritchard (a.k.a. Gilbert) 1900 200 m; 200 m hurdles
(bronze) Leland Merrill (a.k.a. Gilbert) 1948 wrestling
(silver) Gilbert Bozon 1952 swimming - 100 m backstroke
(gold) Gilbert Ford 1956 basketball
(gold) Terry Dischinger (a.k.a. Gilbert) 1960 basketball
Saints:
1 saint
Saint Gilbert of Sempringham 1083-1189