The Master Surname Database (not online) (mostly burials in Alberta cemeteries) of the Alberta Genealogical Society lists these names;
William Alexander WALKER, 1872 - 11 Apr 1941 (died in Edmonton)
Samantha Adelaide WALKER, 1875 - 27 Feb 1931
Roy Glenwood WALKER, 1915 30 Jan 1974
George Alexander WALKER, 19-5 1 Nov 1983
all burials in block C.60. plots 4 to 6, of the Viking cemetery.
For further research please contact the Research Committee of the Edmonton Branch.http://abgensoc.ca/
The Edmonton Branchhttp://www.agsedm.edmonton.ab.ca/