Hi, If you post the names of your GGrandparents - list members may be able to help.
Location of Jarvie Alberta:
Jarvie (a.k.a. Jarvis); 15-63-27-w4; Westlock; Hamlet
You can search the 1916 Canada Census
http://www.bac-lac.gc.ca/eng/census/1916/Pages/about-census....1921 Canada Census Search
http://www.ancestry.ca/1921Census