↑ "Scotland Births and Baptisms, 1564-1950," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XTJ9-173 : 10 February 2018), Helen Ralston, ; citing Southend, Argyllshire, Scotland, reference - 2:16BH7D7, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 1,041,076.
↑ Original data: Scotland, Marriages, 1561-1910. Salt Lake City, Utah: FamilySearch, 2013. Name: Nelley Ralston; Marriage Date: 12 Dec 1800; Marriage Place: Southend, Argyll, Scotland; Spouse: David Ralston; FHL Film Number: 1041076
↑ "New York Passenger Lists, 1820-1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVPF-7HYR : 11 March 2018), Helen Ralston, 1842; citing NARA microfilm publication M237 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm .
It may be possible to confirm family relationships with Helen 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 Helen: