↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M344-ZZW : accessed 26 April 2017), Birtha Sthall in household of Levi Sthall, Porter Township (excl. Towe City borough) Good Spring, Schuylkill, Pennsylvania, United States; citing enumeration district (ED) 196, sheet 13B, family 190, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,485.
It may be possible to confirm family relationships with Bertha 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 Bertha: