Henry Kooi, Apr 1839
Heneretta Kooi, May 1837
Years married: 34 (Abt 1866)
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSQK-19Y : accessed 2 November 2015), Henry Kooi, Precinct 6 West Town Chicago city Ward 28, Cook, Illinois, United States; citing sheet 15B, family 308, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,279.