I found the marriage record for Isaiah PARSONS and his wife
Nancy HALEY in Fauquier Co., VA.

Below also is proof of date of birth, date of death and place of burial for Nancy née Haley wife of Isaiah PARSONS.

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Ancestry.Com -- Virginia Marriages, 1740-1850
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PARSONS, Isaiah -- HALEY, Nancy
Married: 31 December 1813
County: Fauquier

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Fleming County Cemetery Records
From the clerk at the Fleming County Public Library
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NANCY PARSONS, D.O.B 1792 / 04 / 05, died: 1874 / 05 / 28,
Relations: W/O J. Parsons, nothing else on stone.
Cemetery # 0198 Poplar Run Baptist Cemetery.
Location: 1 Mile West of Elizaville, on Route # 32, at Tanyard Hill.