Notes:
1910 Census, OH, Cuyahoga Co., East Cleveland
Mumma, John D., head, 44, m2 20 yrs, b PA/PA/PA carpenter
" , Augusta, wife, 39, m1 20 yrs, b. Germany/Germany/Germany
" , Mabel, dau, 18, b. OH/PA/Germany
" , Ruth, dau, 15, b. OH/PA/Germany
" , John, son, 14, b. OH/PA/Germany
" , Harry, son, 7, b. OH/PA/Germany
" , Norman, son, 5 b. OH/PA/Germany
1920 Census, CA, Los Angeles Co, Burbank,Avandale Pct., p. 37
Mumma, Augusta, head, owner, 48, m, b. Germany/Germany/Germany, no occupation
" , John K, son, 23, single, b. OH/PA/Germany painter
" , Harry K, son, 17, single, b. OH/PA/Germany painter
" , Norman K., son, 15, single, b. OH/PA/Germany carpenter
On his marriage licence to Emma, Norman is listed as a steel worker
1930 Census, OH, Cuyahoga Co., Cleveland, dwelling 24, ED 18-726
Mumma, Norman K., head, rents $25, 34, 1st m: @ age 27, b: OH/PA/Germany, merchant, retail ice
" , Emma A, wife, 32, 1st m: @ age 25, b: OH/Germany/Germany
On his marriage licence to Mary Cwiek, his occupation is as a toolmaker