Hi Josie, Contact the Cemetery office or the following
http://www.edson.ca/departments/edson-glenwood-cemeteryTown of Edson
605 - 50th Street
P.O. Box 6300
Edson, Alberta T7E 1T7
Phone: 780-723-4401
Fax: 780-723-8617
You should be able to obtain the dates of death /burial.
Family may have submitted family history / story to a local History book project.