Hi, You are researching Clarissa [Clara]Lizetta JONES nee HOPPER b. 1899 Toronto Ontario Canada
and David Owen JONES b 1896 Wales.
Married 1923 In Toronto Ontario.
Children Joyce JONES b aprox 1928 -Eldon Jones b aprox 1932.

Your research appears to be in Ontario.
Have you researched Ontario. Posted to Message boards or Mail Lists for Ontario. For Toronto area.
http://boards.rootsweb.com/localities.northam.canada/mb.ashx

Search: Ontario Cemetery Finding Aid online
Not complete - but perhaps you may find some information.

Obituaries when found - may show names and locations of other family members at the time.
Cheers & Good Luck, Stella