"Canada Census, 1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVNM-LHC : accessed 3 June 2016), Mary Smith in household of Robert Smith, Hullett, Huron Centre, Ontario, Canada; citing p. 85; Library and Archives Canada film number C-13273, Library and Archives Canada, Ottawa, Ontario; FHL microfilm 1,375,909.
1891 Census of Canada
1906 Canada Census of Manitoba, Saskatchewan, and Alberta
1911 Census of Canada
1916 Canada Census of Manitoba, Saskatchewan, and Alberta
1921 Census of Canada
Ontario, Canada, Marriages, 1801-1928
Ontario, Canada, The Ottawa Journal (Birth, Marriage and Death Notices), 1885-1980
It may be possible to confirm family relationships with Mary by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Mary: