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
GADD
GAGE
GAGNE
GAGNON
GALBRAITH
GALE
GALLAGHER
GALLAWAY
GALLIN
GALLINGER
GALLIVIN
GALLOWAY
GAMBLE
GAMMON
GARBUTT
GARDINER
GARDNER
GAREAU
GARLICK
GARN
GARNEAU
GARRETT
GARRISON
GARROW
GARTON
GASPE
GATES
GATIEN
GAUDETTE
GEALE
GEALL
GEDDES
GEDDIES
GEELAN
GEMMILL
GEORGE
GEROW
GERRIE
GERVAIS
GIBBONS
GIBBS
GIBSON
GIEBNER
GIFFORD
GILBERT
GILCHRIST
GILLARD
GILLES
GILLESPIE
GILLIES
GILLIS
GILLMETTE
GILMORE
GILPIN
GILROY
GINSBERG
GIRBIN
GIRVEN
GIRVIN
GIVERMAN
GLADMAN
GLENN
GLOVER
GLOYNE
GODFREY
GODWIN
GOKEZ
GOLDEN
GOLDIE
GOOCH
GOOD
GOODEVE
GOODHAND
GOODMAN
GOODWIN
GORAN
GORDON
GORE
GORHAM
GORMAN
GOUGEON
GOUGH
GOULD
GOVENLOCK
GOWANLOCK
GRADY
GRAHAM
GRANDISON
GRANDY
GRANGE
GRANSDEN
GRANT
GRAY/GREY
GRASETT
GRASSER
GRATTAN
GRATTON
GRAVES
GRAY
GRAYDON
GREEN
GREENWOOD
GREER/GRIER
GREGORY
GRENVILLE
GRIERSON
GRIFFIN
GRIFFITH
GRIFFITHS
GRIGGS
GRIMES
GRIMWOOD
GRINDLEY
GRINSTEAD
GRIST
GROPP
GROSJEAN
GROULX
GROUT
GROVES
GROZELLE
GUDNOT
GUEST
GUILFOIL
GUNTHER
GUTCHER
GUY