"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSCQ-Y23 : accessed 7 May 2020), Charles Pfaff in household of Julius Pfaff, Frankfort Township Frankfort & Mokena villages, Will, Illinois, United States; citing enumeration district (ED) 105, sheet 7A, family 127, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,353.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKF4-YGN : accessed 7 May 2020), Charles J Pfaff in household of Julius Pfaff, Frankfort, Will, Illinois, United States; citing enumeration district (ED) ED 148, sheet 4B, family 99, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 333; FHL microfilm 1,374,346.
Is Charles your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.