Notes:
Data source is Douglas Mumma, 2123 Farmington Place, Livermore, CA 94550, email = doug@mumma.org
Birth date per WWI draft registration.
1910: Dayton Ward 4, Montgomery, Ohio
Thomas A Mumma 47
Nettie M Mumma 43
Marie Mumma 20
Lucille Mumma 18
Owen Mumma 17
1930 Census, OH, Cuyahoga Co., Cleveland Heights, ED 18-554
Mumma, Owen W., Head, renter $25, radio, 37, married at 24, b. OH/OH/OH, machinest in factory
" , Ethel, wife, 34, married @ 20, b. IN/OH/OH, stenographer
" , Betty L., dau, 4 6/12, single, b. OH/OH/IN
1940: Dayton, Montgomery, Ohio
1414 Wheatley Avenue
Owen W Mumma 47, tool maker
Ethel Mumma 43
Betty Lon Mumma 14