In the 1870 United States Census for Claiborne County, TN, Mary (Harper) Stone, age 62, is listed as living with Dr. Samuel Stone. Mary Harper (1807 – 1880), was the daughter of Willis Harper, brother of Richard Harper, and wife of Thomas Henderson Stone (1802 – 1866). The linked page is maintained by Joe Payne at Rootsweb and contains several photos of the Stone family.