From Brian Lawsons's site (
www.lawsons.ca)
Registered births
(couldn't find a match for Mary)
CORKELL, John Robert 3 Aug 1886 S Mal 158 CORKELL, Robert COLLISTER, Mary Ann
CORKILL, Ada Blanche 7 Apr 1888 S Mal 266 CORKILL, Robert COLLISTER, Mary
CORKILL, William Henry 20 Jul 1890 N Ram 78 CORKILL, Robert CALLISTER, Mary Ann
CORKILL, Ruth 5 Feb 1892 N Ram 321 CORKILL, Robert CALLISTER, Mary Ann
CORKILL, Ereline Jane 18 Feb 1893 N Ram 477 CORKILL, Robert CALLISTER, Mary Ann
CORKILL, Frank Enoch 7 Jun 1895 N Ram 324 CORKILL, Robert CALLISTER, Mary Ann
CORKILL, Ethel Elizabe 29 Jun 1897 N Ram 127 CORKILL, Robert CORKILL, Mary Ann
CORKILL, Hugo Powell 15 Sep 1900 N Ram 65 CORKILL, Robert CALLISTER, Mary Ann
Likely burials
CORKILL, Frank Edward 7 mos Mau 2 Feb 1896
CORKILL, Ruth 2 dys Mau 9 Feb 1892
CORKILL, Hugo Powell 66 Mau 10 May 1967
Registered marriage
CORKILL, Robert 20 Sep 1884 R lez 5 CALLISTER, Mary Ann
(see
http://www.lawsons.ca/marriages/_mar_index.html for how to get copy of marriage certificate)
If you got the marriage certificate that would confirm their father's names and then I would be happy to check the 1861-1871-1881 censuses the find Robert and Mary's families.
Cheers,
Ruth
