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
GABA
GABBUTT
GABEL
GAETANO
GAGNE
GAGNON
GAINEY
GALBRAITH
GALIPEAU
GALL
GALLAGHER
GALLANT
GALLINGER
GALLIPEAU
GALLOWAY
GAMBLE
GAMES
GAMMELL
GAMSBY
GAPP
GARDINER
GARDNER
GARFIELD
GARLAND
GARNER
GARRETT
GARRICK
GARROWAY
GARVEY
GARVIE
GAULEY
GAULT
GAUTHIER
GAVIN
GAWLEY
GAYLER
GAYNOR
GAZE
GAZZARD
GEDDES
GEE
GEGEAR
GEIZE
GELDART
GEMMILL
GENDRON
GEORGE
GERARD
GERHART
GERRY
GIBBS
GIBEL
GIBSON
GIFF
GIFFORD
GIGEURERE
GIGUERE
GIGUERRE
GILBERT
GILCHRIST
GILL
GILLATELY
GILLES
GILLESPIE
GILLIES
GILLIS
GILLMAN
GILPIN
GIMBY
GIMPOLI
GIOLETTE
GIPSON
GIRARD
GIROUX
GIVING
GLABAIS
GLASS
GLEAD
GLENN
GLOVER
GLOWER
GODDARD
GODFREY
GODIN
GOLBY
GOLD
GOLDS
GOLDSMITH
GOOD
GOODALL
GOODCHILD
GOODFELLOW
GOODGE
GOODHEW
GOODREAU
GOODWIN
GOOLEY
GORAK
GORDON
GORE
GORMAN
GORRIE
GOSNEY
GOTRO
GOULAIS
GOULD
GRACE
GRACIE
GRAFF
GRAHAM
GRAHAME
GRAINGER
GRANGE
GRANT
GRAY/GREY
GRATTON
GRAVELLE
GRAWBARGER
GRAY
GREAVES
GREEN
GREENE
GREENLEES
GREENLY
GREENTREE
GREENWAY
GREER/GRIER
GREGORY
GREMM
GRENVILLE
GRIEDER
GRIEVE
GRIEVES
GRIFFIN
GRIGG
GRISDALE
GROOVER
GROSE
GROSSO
GROULX
GROVES
GRUBB
GUBB
GUERARD
GUERIN
GUERNSEY
GUERTIN
GUEST
GUGLUCK
GUITE
GUMMOW
GUNN
GUSE
GUTCHER
GUTHRIE
GUTJAHR
GYNAME
GYNANE