Family Record of John P. Estill of Clarksburg, West Virginia. Furnished by himself., in Estill, J.H. (John Holbrook). A family history. (Savannah, Georgia: J.H. Estill, 1903 (Savannah, Ga. : Savannah Morning News)) 67.
...Floyd Estill married Susan R. Kincaid, June 15th [sic], 1847, and at his death in Lewisburg, W. Va., in September, 1876, left issue. 1. Elizabeth Strother, who married Thomas W. McClung ... 2. John F., who married Lucie Lee Dice ... 3. Agatha Erskine, unmarried.