"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MX39-P2N : accessed 22 April 2016), Leah Wycoff in household of Cornelius Wycoff, Salem, Jefferson, Ohio, United States; citing family 1819, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Virkus, Frederick Adams. The Abridged Compendium of American Genealogy: First Families of America; a Genealogical Encyclopedia of the United States. Chicago: A.N. Marquis & company, 1925. Vol. VII p. 483
It may be possible to confirm family relationships with Leah 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 Leah: