Notes:
Data source is "The Mumma Family" by Samuel H. Mumma 1962 & Moomaw book 1990
Noah did not use the Mummau spelling for his surname.
1910 Census, PA, Lancaster Co., East Donegal Twp.,
Mumma, Noah, head, 27, m1 4 years, b. PA / PA / PA, farmer
" , Katie S., wife, 26, m1, 4 years, b. PA / PA / PA
" , Miriam H., dau, 3, b. PA
" , Russell H., son, 1, b. PA
Hoffman, Samuel, father-in-law, 49
" , Annie M., mother-in-law, 45
1920 Census, PA, Lancaster Co., East Donegal Twp., ED 32, p. 73
Hoffman, Annie M., head, owner, 54, widow, b. PA / PA / PA
Mumma, Katie, dau, 36, widow, b. PA / PA / PA
" , Miriam H., grand dau, 13, b. PA
" , Russel H., grand son, 11, b. PA
" , A. Esther, grand dau, 9, b. PA
Myers, Stella, cousin, 32, m. b. PA
" Edwin P., none, 3 7/12, single, b. PA
1930 Census, PA, Lancaster Co., East Donegal, ED 36-26
Hoffman, Annie M, head, owner, $4000, 64, b. PA / PA / PA, no occupation
Mumma, Kaite S., dau, 46, widow, b. PA / PA / PA, wrapper - Chocolate factory
" , Esther, dau, 19, single, b. PA / PA / PA, clerk - notary public