For anyone researching Nancy Harriet MYERS married Stephen CUNDIFF, her parents names are:
George Washington MYERS and Mariah Jane PARSONS.

Source of Nancy's full maiden name:
Stephen Cundiff's penision file: Nancy Harriet MYERS

For Nancy Harriet Myers' parentage, we have several sources to prove her parentage:

1. From the Census of 1860 and 1870, NANCY MYERS is enumerated with her parents:
George Washington MYERS & MARIAH

2. From the census we know the names of the siblings of Nancy Harriet MYERS:
1850 Census: Susan and Mary
1860 Census: Susan, Mary, Jacova, James H. and John T.
1870 Census: Susan, Mary, Jacova, James, David, Robert and Mariah
1880 Census: Mary, Corry (Jacova), James, Monroe (David om 1870), and Robert

4. From Stephen Cundiff's pension file, Nancy's sister CORA [sic] her name was JACOVA nicknamed "Cova"] FOWLER and brother ROBERT MYERS listed in the census of 1860, 1870 and 1880, both Nancy's siblings give an affidavit where they state they are the sister of the affiant NANNIE CUNDIFF..

5. We know the parentage of DAVID MONROE MYERS from his death certificate, brother of Nancy Harriet née MYERS Cundiff. The informant on David MYERS death certificate, his brother ROBERT MYERS, David Monroe MYERS parents listed as: George W. MYERS and Mariah PARSONS.

6. We know the parentage of COVA FOWLER widow of Charles FOWLER and sister of Nancy Harriet MYERS, from Cova's death certificate. Cova Fowler's parents listed as: George MYERS and Maria PARSON. (The informant on Cova's death certificate, Mrs. George (née Gertrude Frazier) CUNDIFF, sister-in-law of Nancy Harriet MYERS wife of Stephen CUNDIFF. George CUNDIFF son of Stephen Cundiff and Nancy Harriet MYERS.

From the above two death certificates, we have proof both Robert MYERS and Cova FOWLER, widow of Charles Fowler, were children of GEORGE WASHINGTON MYERS and MARIAH PARSONS. We also have proof from the pension file of Stephen Cundiff, two of Nannie Cundiff's siblings were Robert MYERS and Cova FOWLER. We also have proof Cova FOWLER sister of Nancy Harriet MYERS from the census of 1920, states her mother was born in Fleming Co., KY.

As to the parentage of Mariah Jane PARSONS mother of Nancy Harriet MYERS, the only PARSONS in the census from 1820 living in Fleming Co., KY was Isaiah PARSONS who died in 1824. From 1830 - 1870 his widow Nancy PARSONS is living in Fleming Co., KY.

The marriage of Isaiah PARSONS and Nancy HALEY is found on Ancestry.Com.

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

Nancy Haley Parsons died after the 1870 census in Fleming Co., KY. Her death record is the following:

----------------------------------------------------------
Fleming County Cemetery Records:
-Brigitte S. McCleese, Clerk/Fleming County Public Library
-----------------------------------------------------------
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.

I have ALL the census readings for Isaiah PARSONS in 1820 and Nancy PARSONS and her children from 1830 - 1870 if anyone is interested.