Notes:
1900 Census, OH, Clark Co., Springfield, ED 24, page 47
Mumma, Isabell, head, Sept 1855,44, widowed, 2 children, 2 living, b: OH/PA/PA
" , Bessie, dau, Dec 1877, 22, single, b: OH/OH/OH, forelady publishing house
1910 Census, OH, Clark Co., Springfield, ED 51, p. 203, dwelling 138, family 153
Mumma, Isabel, head, 55, divorced, 2 children, 2 living, b: PA/PA/Maryland
" , Bessie R., dau, 33, single, b: OH/OH/PA, clerk publishing house
1920 Census, OH, Clark Co., Springfield, ED 87, dwelling 186,
Mumma, Isabell, head, rents, 66, widowed, b: PA/PA/PA
" , Bessie R., dau, 43, single, b: OH/OH/PA, forelady, publishing Co