Hi Checked the 1911 Census for Alberta
Alberta/Red Deer/107 / Township 34 / Range 1
W of 5th Meridian.
42 27 Davis James M Head S Mar 1868 43
43 27 Roulston Martha F Sister W May 1870 41
44 27 Roulston Charles Albert M Nephew S Dec 1895 16
Perhaps your Charles ROULSTON ?http://www.rootsweb.ancestry.com/~canab/lookcamr.html
ROULSTON, C.A.; Beautiful Fields; Camrose
Unfortunately there are no Volunteers for the above Book.
Provincial Archive in Edmonton may hold same.
Glenbown Museum & Archive in Calgary may hold a copy.