"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9H7-VH4 : accessed 15 July 2017), R J Perry in household of Michel Perry, Magisterial District 1, Martin, Kentucky, United States; citing enumeration district (ED) 57, sheet 17A, family 290, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,543.
It may be possible to confirm family relationships with R by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with R: