City: Birchwood MASENGILL, John D., physician and stock breeder; Irish-English descent; son of John and Nancy (Smith) MASENGILL; born in Sullivan Co. Tenn., May 11, 1844; paternal ancestors Henry and Elizabeth (Emmert) MASENGILL; maternal grandparents John and Catherine (Umphreys) SMITH; educated in private schools and at Jefferson Academy at Blountville, […]