Notes:
Data source was the Muma Family Tree website which is no longer active.
1930 Census, MI, Genessee Co., Flint City, p. 119, ED 25-58
Muma, Benjamin O, head, 47, 1st m: @ age 22, b: Canada/Canada/Canada, plumber
" , L. Maude, wife, 46, 1st m: @ age 21, b: Canada/Canada/Canada
" , Donald O, son, 18, single, b: MI/Canada/Canada, plumber
" , Lois M., dau, 16, single, b: MI/Canada/Canada
" , John B., son, 14, single, b: MI/Canada/Canada
" , George A., son, 10, single, b: MI/Canada/Canada
" , Marian, dau, 7, single, b: MI/Canada/Canada