Sarah Elliot married _____ Scott. She married, second, James York.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXWN-3GX : 17 October 2014), Sarah York in household of James York, Kentucky, United States; citing p. 1, family 3, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,976.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNWT-7QN : 24 December 2015), Sarah York in household of James York, Lees Creek, Washington, Arkansas, United States; citing enumeration district ED 212, sheet 636C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0058; FHL microfilm 1,254,058.
It may be possible to confirm family relationships with Sarah by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Sarah: