The Master Surname Database (not online) (mostly burials in Alberta cemeteries) of the Alberta Genealogical Society lists these names;
John PICKRELL, 1901 - 1949
Marie PICKRELL, 1905 - 1995
both buried together in the Duclos Memorial United Church cemetery at Ardmore.
None of the other name show up.
For further research please contact the Research Committee of the Edmonton Branch.
http://abgensoc.ca/The Edmonton Branch
http://www.agsedm.edmonton.ab.ca/Peter