Is this the right Joseph Brown?
Joseph Brown M 36 Illinois
Jane Brown F 26 Kentucky
David Brown M 4 Missouri
Peter Brown M 2 Missouri
Thomas Brown M 0 Missouri
Benjamin Duffy M 30 Kentucky
"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M66F-L5F
: accessed 01 Dec 2012), Joseph Brown, Ash Hill, Butler, Missouri, United States; citing sheet 597B, family 0, NARA microfilm publication T9-0676.