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
HACKENBROOK
HACKETT
HACKFORD
HADDEN
HADDO
HADLEY
HADLOW
HAFFEY
HAGAN
HAGEN
HAGGER
HAGGERTY
HAGYARD
HAIDER
HAIG
HAIGHT
HAINES
HALCROW
HALE
HALEY
HALFORD
HALL
HALLGREN
HALLIDAY
HALLIHAN
HALSTEAD
HAMEL
HAMILTON
HAMMELL
HAMMILL
HAMMOND
HANCOCK
HANES
HANLON
HANMORE
HANNA
HANNINEN
HANSEN
HANSFORD
HANSON
HANTHORN
HANTON
HARDIE
HARDMAN
HARDWICK
HARDY
HARE
HARESIGN
HARKNESS
HARMAN
HARNDEN
HARPER
HARRIES
HARRINGTON
HARRIS
HARRISON
HARROWER
HART
HARTEN
HARTIE
HARTLEY
HARVEY
HARVIE
HARWOOD
HASKETT
HASTIE
HASTILOW
HATCHER
HAVARD
HAWKE
HAWKINS
HAWN
HAWTHORNE
HAY
HAYCOCK
HAYDEN
HAYES
HAYLOCK
HAYTER
HAYWARD
HAZEN