Peter Buikema, 50
Johanah Buikema, 40
"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXJ7-V5J : accessed 3 April 2015), Peter Buikema, Roseland, Cook, Illinois, United States; citing enumeration district 194, sheet 163B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0199; FHL microfilm 1,254,199.