↑ "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4CC-ZR8 : accessed 25 November 2019), Lois Vande Mark in household of Roy Vande Mark, Pleasant, Putnam, Ohio, United States; citing enumeration district (ED) ED 22, sheet 4B, line 88, family 88, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1865; FHL microfilm 2,341,599.
↑ "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWDV-X6Y : 29 July 2019), Lois Vandemark in household of Roy Vandemark, Gomer, Sugar Creek Township, Allen, Ohio, United States; citing enumeration district (ED) 2-67, sheet 8B, line 73, family 158, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 3021.
↑ "Ohio, County Births, 1841-2003," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q23D-DT15 : 13 March 2018), Lois Maxine Vandemark, 06 Mar 1924; citing Birth, Columbus Grove, Putnam, Ohio, United States, county courthouses, Ohio; FHL microfilm 2,020,247.
↑ "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K81W-JLW : 26 August 2019), Samuel S Long and Lois M Van Demark, 12 Jun 1950; citing Marriage, Ashland, Ohio, United States, , Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
↑ "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JRXY-Z4X : 20 May 2014), Lois Long, Mar 1987; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).