The Michael O'Hair Family - By Mrs. C. Gerald Brann, May 1957
Michael O'Hair 1749-1813 Soldier of the Revolution, by K. R. O'Hair, 1971
“Records from Barbara J. Lorenz,” 26 Feb 2001, Hardcopy printouts from a genealogy database.
Census Records:
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M85D-VSP : 4 April 2020), Mary Harbough in household of Jacob Harbough, Moultrie county, Moultrie, Illinois, United States; citing family 37, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"Illinois, County Marriages, 1810-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KFKX-N7D : 4 November 2017), Jacob Harbaugh and Polly Ohair, 12 Feb 1829; citing Edgar, Illinois, United States, county offices, Illinois; FHL microfilm 1,301,880.
Find a Grave, database and images (accessed 23 August 2020), memorial page for Mary “Polly” O'Hair Harbaugh (16 Sep 1811–17 Nov 1877), Find A Grave: Memorial #107932533, citing Roseville Cemetery, Roseville, Warren County, Illinois, USA ; Maintained by kathleen garrett (contributor 47285484) .
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DNA Connections
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 some percentage of DNA with Mary: