Margaret was born in 1794. She passed away in 1850.
Sources
Find A Grave, database and images (https://www.findagrave.com : accessed 26 February 2020), memorial page for Margaret Dewey Prentiss (10 Jun 1794–25 Oct 1850), Find A Grave: Memorial #17003287, citing Mound Cemetery, Marietta, Washington County, Ohio, USA ; Maintained by Dave M (contributor 46499754) .
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