Elizabeth Gibbs, born 1765 at Orange Co NC, was the eldest child of Nicholas Gibbs and Mary Efland. She married John Snodderly abt 1785 in Orange Co, then later moved to Campbell Co TN. They had at least eleven children: George (1787), Jacob (1789), Elizabeth (1791), Sarah (1794), Pheobe (1799), Huldah (1803), John (1804), Mary Nancy (1806), Nicholas (1806), and Henry (1807).  Elizabeth died shortly after the 1850 census.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCDW-ZSN : 9 November 2014), Elizabeth Snoderley in household of George Snodley, Campbell county, Campbell, Tennessee, United States; citing family 640, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Source: S1559125241 Repository: #R1550538208 U.S., Find A Grave Index, 1600s-Current Ancestry.com Publication: Ancestry.com Operations, Inc.
It may be possible to confirm family relationships with Elizabeth 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 Elizabeth: