"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDLS-YC3 : 13 July 2016), Joh Meekma, Pella, Marion, Iowa, United States; citing enumeration district ED 126, sheet 715A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0354; FHL microfilm 1,254,354.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M92R-PNC : 20 January 2015), John O Meeknea, Polk Township, Marion, Iowa, United States; citing sheet 7B, family 129, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,447.