"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:HNNQ-6ZM : accessed 17 December 2020), Margie Knight in household of J Sidney Knight, Precinct 5, Panola, Texas, United States; citing enumeration district (ED) ED 13, sheet 9B, line 64, family 185, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2382; FHL microfilm 2,342,116.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4SR-BQ5 : 2 February 2020), Marjorie Knight in household of Sidney Knight, Justice Precinct 5, Panola, Texas, United States; citing enumeration district (ED) 183-15, sheet 12B, line 43, family 223, 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 4120.
"Texas Death Index, 1903-2000," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VZJQ-QF7 : 24 May 2014), Marguerite Knight, 26 Feb 1955; from "Texas, Death Index, 1903-2000," database, Ancestry (http://www.ancestry.com : 2006); citing certificate number 11887, Dallas, Texas, Texas Department of Health, State Vital Statistics Unit, Austin.