1930 census, PA, Lancaster Co., Lancaster City, 7th Ward, ED 26, p. 202
Mumma, Ida, 45, widow, b. PA
" , Lester C., son, 22, single, operator, limeburner
" , Mildred, M., dau., 13, b. PA
" , Dorothy J., dau., 8 10/12, b. PA
Spouse 1:Frank MUMMA (b. 4 FEB 1877, West Hempfield, Lancaster Co., PA - d. 13 DEC 1927, Lancaster, Lancaster Co., PA)
Children:
1. Lester Christ MUMMA (b. 18 JUL 1907, Lancaster, Lancaster Co., PA - d. 1 MAR 1997, Lancaster, Lancaster Co., PA)
2. Russell P. MUMMA (b. 1908, Lancaster Co., PA - d. 1914, Lancaster, Lancaster Co., PA)
3. Mildred M. MUMMA (b. 8 DEC 1916, Lancaster Co., PA - d. 13 OCT 2009, Mt. Joy, Lancaster Co., PA)
4. Dorothy J. MUMMA (b. 28 MAY 1921, Lancaster Co., PA - d. 2 OCT 2016, Lancaster, Lancaster Co., PA)