↑ 1.01.1 "Wisconsin, County Marriages, 1836-1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XRV9-FYV : 17 March 2018), James Madison Van Nostrand and Mary Eaton, Sep 1888; citing , Waushara, Wisconsin, United States, Wisconsin Historical Society, Madison; FHL microfilm 1,275,609.
↑ 2.02.1 Find a Grave, database and images (www.findagrave.com/memorial/100997576/mary-vanostrand : accessed 26 July 2021), memorial page for Mary Vanostrand (24 Mar 1840–28 Dec 1923), Find a Grave Memorial ID 100997576, citing Poy Sippi Cemetery, Poy Sippi, Waushara County, Wisconsin, USA ; Maintained by Joanne Morehouse (contributor 47292329)
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNHR-SR2 : 14 September 2017), Mary Vannostrand in entry for J M Vannostrand, 1880; citing enumeration district ED 192, sheet 342A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 1452; FHL microfilm 1,255,452.