This Mast family history concentrates on Jacob Mast who immigrated to America in 1737. Some European history of Guggisberg, Switzerland, and areas they settled in Pa. are included before the genealogy beginning with Jacob Mast (1705-1772). Surnames include: Beiler, Christner, Eash, Gerber, Gingerich, Hershberger, Hochstetler/Hostetler, Joder, Kaufman, Mast, Maust, Miller, Moist, Nisley/Nisly, Schlabach, Stutzman, Troyer, and Yoder. (92pp. illus. index. Masthof reprint, 2024.)