Many Ontario cenotaphs used initials instead of given names. An excellent site with full names and details is the Commonwealth War Graves Commission
contact John Allan if you are willing to transcribe a cenotaph or other war memorial for OGSPI
GAGNIER
GAGNON
GALLANT
GALLINGER
GALLIPEAU
GARAND
GARDINER
GAUTHIER
GAUVIN
GENDRON
GEORGE
GIGUERE
GILL
GILLAN
GILMORE
GIRARD
GLADU
GOOD
GOODWIN
GOSSELIN
GOWER
GRAHAM
GRAY/GREY
GRENIER
GRENNAN
GRIFFIN
GUSHUE
GUY