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
DALLAIRE
DANEAU
DANIHER
DARRAH
DAVID
DAVIS
DAWSON
DEBECK
DEMERS
DENAULT
DESCHENES
DESCHESNES
DESILETS
DESJARDINS
DESROCHERS
DIEHL
DIONNE
DISTEFANO
DOHERTY
DONAGHEY
DOYLE
DRIVER
DUBE
DUCASSE
DUCHARME
DUFOE
DUGUAY
DUHAIME
DUMAS
DUMOULIN
DUNCAN
DUNPHY
DUPUIS
DUROCHER
DURY