1910 Census: "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGJ3-C3B : accessed 22 April 2022), Lucy Pettibone in household of Flora J Pettibone, Seattle Ward 7, King, Washington, United States; citing enumeration district (ED) ED 137, sheet 8B, family 158, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1660; FHL microfilm 1,375,673.
1930 Census: "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XC34-XY6 : accessed 22 April 2022), Lucy Thayar in household of Keisling W Thayar, Seattle, King, Washington, United States; citing enumeration district (ED) ED 82, sheet 17A, line 37, family 210, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2496; FHL microfilm 2,342,230.
Death: "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JLBS-NT1 : 11 January 2021), Lucy Thayer, May 1972; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).