Mary was born about 1854. Mary Faber ... She passed away in 1923.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW61-8NX : 15 July 2017), Mary A Deppen in household of Joseph Deppen, Lower Heidelberg, Berks, Pennsylvania, United States; citing enumeration district ED 25, sheet 408B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1099; FHL microfilm 1,255,099.
It may be possible to confirm family relationships with Mary 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 Mary: