"Canada Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVDT-P7M : 2 March 2021), John McCarthy in household of Jermiah McCarthy, Sandwich East Township, Essex, Ontario, Canada; from "1881 Canadian Census." Database with images. Ancestry. (www.ancestry.com : 2008); citing Jermiah Mccarthy, citing Library and Archives Canada, Ottawa, Ontario.
"Canada Census, 1901," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KH22-PBG : 23 February 2021), John Mccarthy in household of Jerimiah Mccarthy, Essex (north/nord), Ontario, Canada; citing p. 2, Library and Archives of Canada, Ottawa.
"Canada, Ontario Deaths, 1869-1937 and Overseas Deaths, 1939-1947," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:JD2H-MJX : 2 March 2021), John Mccarthy, 01 Aug 1901; citing Sandwich South, Essex, Ontario, yr 1901 cn 9248, Registrar General. Archives of Ontario, Toronto; FHL microfilm 1,854,089.
Find a Grave, database and images (https://www.findagrave.com/memorial/202884761/john-mccarthy: accessed 08 January 2023), memorial page for John McCarthy (10 Sep 1878–1 Aug 1901), Find a Grave Memorial ID 202884761, citing Saint Mary's Roman Catholic Cemetery, Maidstone, Essex County, Ontario, Canada; Maintained by FamilyTies (contributor 50814318).
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