↑ "Iowa, Old Age Tax Assistance Records, 1934-1958," database, FamilySearch Iowa, Old Age Tax Assistance Records : 17 March 2018), Grace Eleanor Smith, ; citing Pension, Iowa, United States, various recorder, auditor, and clerk county offices, Iowa
↑ "United States Census, 1940," database with images, FamilySearch United States Census, 1940 : 15 March 2018), Grace Smith in household of George A Smith, Ward 4, Marshalltown, Marshall Township, Marshall, Iowa, United States; citing enumeration district (ED) 64-29, sheet 10A, line 32, family 269, 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 1182