"Scotland Census, 1851," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VYYG-ZWQ : 11 July 2019), Elizabeth Mcwhirter in household of Hugh Mcwhirter, Carrick, Ayrshire, Scotland; from "1851 England, Scotland & Wales census," database and images, findmypast (http://www.findmypast.com : 2012); citing p. 1, PRO HO 107, The National Archives UK, Kew, Surrey; FHL microfilm 1,042,403.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MK4M-D74 : accessed 4 November 2019), Elizabeth Ferguson in household of Angus Ferguson, Precinct 7, Denver, Colorado, United States; citing enumeration district (ED) ED 158, sheet 3A, family 74, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 116; FHL microfilm 1,374,129.