Nancy was born in 1789. She was the wife of Shuah Mann and they are listed together on the 1850 Census and the 1860 Census in Jefferson Township, Franklin, Ohio.  On the 1870 Census she is listed as widowed and living in the household of one of her son's.  She passed away in 1871. 
Family Search indicates that her parents were:
Father: Charles Alfred Oldham (1760–1838)
Mother: Mary Catherine Baker (1755–1810)
At this time; this information is unverified
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXSB-VD6 : 5 April 2020), Nancy Mann in household of Lhuah Mann, Jefferson, Franklin, Ohio, United States; citing family 222, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Find a Grave, database and images (https://www.findagrave.com : accessed 24 April 2020), memorial page for Nancy Oldham Mann (2 Jul 1789–8 Aug 1871), Find A Grave: Memorial #12745411, citing Havens Cemetery, Blacklick, Franklin County, Ohio, USA ; Maintained by Amy L. Waters (contributor 46815943) .
"Ohio, County Death Records, 1840-2001," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F6V1-L88 : 10 March 2018), Nancy Oldham in entry for Austin D. Mann, 17 Feb 1908; citing Death, Clinton, Union Township, Clinton, Ohio, United States, source ID 1908 fn A78, County courthouses, Ohio; FHL microfilm 2,032,522.
Is Nancy your ancestor? Please don't go away! Login to collaborate or comment, or contact
the profile manager, or ask our community of genealogists a question.
Sponsored Search by Ancestry.com
It may be possible to confirm family relationships with Nancy 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 Nancy: