"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF5H-2JW : 29 August 2017), Geo M Griswold in household of Dan Griswold, Marysville, Marshall, Kansas, United States; citing enumeration district ED 162, sheet 145D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,388.
Kansas County Marriages, 1855-1911, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q293-VLR7 : 18 October 2017), George Griswold and Rose Zybach, 07 Oct 1903; citing Marriage, Marshall, Kansas, United States, district clerk, court clerk, county clerk and register offices from various counties; FHL microfilm 2,027,262.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2CP-491 : accessed 15 December 2019), George Griswold, Marysville, Marshall, Kansas, United States; citing enumeration district (ED) ED 73, sheet 8A, family 117, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 447; FHL microfilm 1,374,460.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFXD-N1W : accessed 15 December 2019), George Griswold, Franklin, Marshall, Kansas, United States; citing ED 72, sheet 5A, line 35, family 103, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 540; FHL microfilm 1,820,540.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7QK-QY6 : accessed 15 December 2019), William Griswold, Marysville, Marshall, Kansas, United States; citing enumeration district (ED) ED 22, sheet 7B, line 61, family 145, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 710; FHL microfilm 2,340,445.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRK2-KQQ : 26 July 2019), George Griswold, Marysville Township, Marshall, Kansas, United States; citing enumeration district (ED) 59-22, sheet 2A, line 40, family 29, 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 1245.