"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4D5-QYS : accessed 10 August 2021), Joseph P O' Connor in household of Patrick J O' Connor, Newark (Districts 1-250), Essex, New Jersey, United States; citing enumeration district (ED) ED 124, sheet 13B, line 60, family 230, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1336; FHL microfilm 2,341,071.
Is Joseph your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.