"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMTV-8YP : accessed 10 June 2021), Mabel Pitre in household of Sol Pitre, Police Jury Ward 2, Allen, Louisiana, United States; citing enumeration district (ED) ED 5, sheet 13A, line 46, family 273, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 782; FHL microfilm 2,340,517.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:VYRV-8BL : 5 January 2021), Mable Burnett in household of Sidney Burnett, Ward Three, Calcasieu, Louisiana, United States; citing enumeration district (ED) 10-4, sheet 26A, line 27, family 497, 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 1390.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JL68-449 : 10 January 2021), Mable P Burnett, 11 May 1995; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).