"England Births and Christenings, 1538-1975," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NY7Z-F8V : 11 February 2018, Henry Riddle in entry for Alice Mary Riddle, 07 Nov 1869); citing , index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm unknown.
"Ontario Marriages, 1869-1927," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FMJY-C1Y : 11 March 2018), Robert Hilderly and Alice Riddle, 19 Oct 1887; citing registration , East Zorra, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 1,870,218.
It may be possible to confirm family relationships with Alice 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 Alice: