In 1871 Mary lived in Thorold Ontario with her parents and siblings Robert, James and Margaret. [1]
Mary married Richard H. Young Feb 23, 1881 in Thorold Ontario. Their parents are shown on this document.[2]
At the time of the 1891 Canada Census, Richard, Mary A., Robert, George, Philip, Norah, and Charles Young were listed as living in Thorold, Ontario. Her husband is a farmer, both their parents were born in Ireland. They are Roman Catholics and their eldest child is 10.[3].
Her middle name Ann is shown on various marriage records for her children.
Sources
↑ Canada Census, 1871," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M43L-4X9 : 7 April 2022), Mary Welsh in household of James Welsh, Thorold, Welland, Ontario, Canada; citing 1871; citing National Archives of Canada, Ottawa, Ontario.
↑ Canada, Ontario Marriages, 1869-1927," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FMNY-JMM : 8 March 2021), Richard H Young and Mary A Walsh, 23 Feb 1881; citing registration , Thorold, Welland, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 1,869,512.