Data source is the 1990 book, "Moomaw-Mumma-Mumaw-Mumaugh Genealogy" compiled by Robert Austin Moomaw (deceased).
In the 1850 Census of Ross County, OH, Mary Moomaw is living a few door away from her brother, David Mumma, with Jeramiah and Mary A. Sheeley, her neice.
Father:John MUMMA (b. 2 MAR 1750, Earl Twp., Lancaster Co., PA - d. 5 MAY 1837, Paint twp., Ross Co., OH) Mother:Anna Barbara RANCK (b. 11 MAR 1754, PA - d. 20 JUN 1842, Probably Ross Co., OH)