1920: Baltimore Ward 27, Baltimore (Independent City), Maryland
Christian D Mumma 28
Mary L Mumma 25
1930:Census, Election District 11, Baltimore, Maryland, Long Green Rd
C Donald Mumnd 38, auto machinist
Mary L Mumnd 36
David F Mumnd 7
1940: Baltimore, Maryland, Long Green Road
Residence in 1935: Same Place
C Donald Mumma 48, machinist
Mary L Mumma 46, postmaster
David F Mumma 17
Father:David Franklin MUMMA (b. 1844, MD - d. 27 NOV 1908, Long Green, Baltimore Co., MD) Mother:Mary Latitia WARFEL (b. 27 MAY 1854, Long Green, MD - d. 1894, Long Green, Baltimore Co., MD)