↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX7S-T69 : 4 April 2020), Ellen A Vandermark in household of Ezekiel Vandermark, Ross county, part of, Ross, Ohio, United States; citing family 267, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MM6Y-688 : accessed 7 June 2020), Ellen Ross, Twin Township (south & west part), Ross, Ohio, United States; citing enumeration district (ED) 102, sheet 8B, family 144, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,318.
↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLX4-YKX : accessed 7 June 2020), Ellen Ross in household of Frank Stoops, Madison, Highland, Ohio, United States; citing enumeration district (ED) ED 125, sheet 10A, family 232, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1197; FHL microfilm 1,375,210.
↑ "Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZ4R-84M : 26 August 2019), David Ross and Ella Vandermark, 24 Dec 1868; citing Marriage, Ross, Ohio, United States, 353, Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
↑ "Ohio Deaths, 1908-1953," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X66Q-S8G : 15 August 2019), Ellen Ross, 09 Dec 1912; citing Madison Twp, Highland, Ohio, reference fn 66529; FHL microfilm 1,953,483.