Polley appears to have been born a Smith not a Barkley - not named in the Will of Thomas Barkley - some on other sites have made her a daughter of a Thomas Barkley who died in 1814. Her name on the marriage record is Polly Smith with a Peter Smith bearing witness. This Polley Smith married to a John Smith appears to have died in childbirth with an infant daughter per the gravestone image at Find A Grave https://www.findagrave.com/memorial/16006860/p-smit
This Polley Smith unknown parents.
Sources
North Carolina, Marriage Records, 1741-2011 at Ancestry.com Image #686.
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