Yes, there are 3 Calvert's in that cemetery.
John D. CALVERT, 1869 - interred 11 Mar 1945 plot 21
Lafayette CALVERT, 1891 - interred 4 Apr 1980 plot 21
Janet CALVERT, interred 2 Jul 1950 plot 14
Peter for the AGS
The Edmonton Branch
http://agsedm.edmonton.ab.ca