↑ "United States Census, 1850," database with images, FamilySearch ( : accessed 21 August 2015), Mark Garrison, York county, York, South Carolina, United States; citing family 432, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8TM-DLY : 17 October 2014), Mark Garrison, South Carolina, United States; citing p. 160, family 1092, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 553,011.
↑ "North Carolina, Deaths, 1931-1994," database, FamilySearch ( : accessed 21 August 2015), Mark Garrison in entry for John M. Garrison, 22 Jan 1934; citing Belmont, Gaston, North Carolina, pg246, cn4, State Department of Archives and History, Raleigh; FHL microfilm 1,943,080.
It may be possible to confirm family relationships with Mark by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: