Find A Grave, database and images (https://www.findagrave.com : accessed 17 April 2018), memorial page for Frances Mansell Barrett (1800–13 Sep 1895), Find A Grave Memorial no. 46477575, citing Barrett Family Cemetery, Dacusville, Pickens County, South Carolina, USA ; Maintained by Oakley and related families (contributor 47000469) .
It may be possible to confirm family relationships with Frances by comparing test results with other carriers of her ancestors' 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 Frances: