Notes:
Data source was Jacob D. Mumma of Mt. Joy, PA - From Stella Mumma files
Data source is Robert Earl Mumma - deceased who has Jacob D. Mumma's bible.
Data source is "The Brenneman History", 1938 by Albert H. Gerberich, p. 237. Mennonite Publishing House, Scottdale, PA
Note: Jacob D. Mumma is living with Goldie and Samuel Hinkle in the 1930 census of Mount Joy Borough, Lancaster Co., PA.