Data source is "The Mumma Family" by Samuel H. Mumma 1962 & Moomaw book 1990
There is a conflict in her death date. Samuel Mumma's book says 1937, however her father's bible suggests a date of 1 Jan 1897.
Father:Isaac MUMMA (b. 2 MAY 1824, Highspire, Dauphin Co., PA - d. 11 MAR 1887, Dauphin Co., PA) Mother:Mary NISSLEY (b. 13 DEC 1828, Hummelstown - d. 30 JUL 1912, Dauphin Co., PA)