"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS1P-JBT : accessed 18 July 2021), Joseph H. Hololler in household of George A. Mathieu, Precinct 2 Pittsburgh city Ward 19, Allegheny, Pennsylvania, United States; citing enumeration district (ED) 215, sheet 7B, family 128, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,361.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLMM-H75 : accessed 18 July 2021), Joseph H Hoeveler in household of James O Churchill, St Louis Ward 28, St Louis (Independent City), Missouri, United States; citing enumeration district (ED) ED 441, sheet 11A, family 266, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 823; FHL microfilm 1,374,836.
"New York, New York Passenger and Crew Lists, 1909, 1925-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KXMK-8S3 : 2 March 2021), Joseph H Hoeveler, 1926; citing Immigration, New York, New York, United States, NARA microfilm publication T715 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XS5V-YKD : accessed 18 July 2021), Joseph H Hoeveler, Chicago (Districts 1751-1976), Cook, Illinois, United States; citing enumeration district (ED) ED 1850, sheet 12B, line 56, family 222, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 493; FHL microfilm 2,340,228.