Notes:
1880 census OH, Montgomery Co., OH, 14 jun 1880
Mumma, Charles, 22, fruit grower, b: OH/MD/OH
" , Mary A., 21, wife, keeping house, b: Canada/Prusia/Prusia
1900: Dayton Ward 4, Montgomery, Ohio
Charles Mumma, head, Oct 1857, 42, m: 20 yrs, b: OH/PA/OH
Mary A Mumma, wife, Sep 1858, 41, m: 20 yrs, 4 children, 4 living, b: Canada/Germany/Germany
Viola Belle Mumma, dau, Oct 1880,19, b: OH/OH/Canada, seamstress
Beatrice I Mumma, dau, Mar 1883, 17, b: OH/OH/Canada, at school
Geo Russell Mumma, son, Apr 1887, 13, b: OH/OH/Canada, at school
Frederick W Mumma, son, Oct 1892, 7, b: OH/OH/Canada, at school
1910: Dayton Ward 4, Montgomery, OH, 32 N Main
Charles S Memmer, head, 51, b: OH/MD/PA, grinder, knife works
Mary H Memmer, wife, 50, m: 31 yrs, b: Canada/Germany/Germany
Vola B Memmer, dau, 29, single, b: OH/OH/Canada, dress maker
George R Memmer, son, 21, b: OH/OH/Canada, none
Frederick W Memmer, son, 19, b: OH/OH/Canada, laborer, iron works
1920: Harrison, Montgomery, OH, Carson Avenue
Charles S Mumma, head, 62, farmer, truck farm
Mary A Mumma, wife, 61
Viola B Mumma, dau, 39, single
Fredrick W Mumma, son, 26, single
1930: Harrison, Montgomery, OH, 133 Briercliffe Road
Mary A Mumma, head, 71, widowed, b: Canada/Germany/Germany