Data source is "The Mumma Family" by Samuel H. Mumma 1962 & Moomaw book 1990
Father:Jacob R. MUMMA (b. ABT 1882, Mechanicsburg, Cumberland Co., PA - d. 19 SEP 1942, Portland, Multnomah Co., OR) Mother:Marie M. (b. ABT 1888, MN - d. 28 DEC 1979, Lane Co., OR)