The Master Surname Index (not online) (mostly burials in Alberta cemeteries) of the Alberta Genealogical Society lists these possible names;
Lily Eunice MATHEWS, 1878 - 29 May 1965
Clarence E. MATHEWS, 1880 - 8 Nov 1959
buried next to each other in the Edmonton 7ave cemetery.
The plot was paid by Marjorie ANDERSON
Have a look here;http://www.rootsweb.ancestry.com/~abwcobit/
For obit or further research please contact the AGS Research Services Committee of the Edmonton Branch, http://abgensoc.ca/