Notes:
1900 Census, MD, Baltimore, ED 59
Mumma, George L, head, May 1854, 46, m: 17 yrs, b. MD/MD/MD farmer
" , Letitia, wife, Nov 1854, 45, m: 17 yrs, 3 children, 3 living, b. MD/MD/Ireland
" , Howard S., son, Jun 1884, 15, single, b. MD/MD/MD at school
" , George T., son, Apr 1889, 11, single, b. MD/MD/MD, at school
" , Letitia E., dau, Dec 1894, 5, single, b. MD/MD/MD
1910 Census, MD, Baltimore, ED 58
Mumma, George L, head, 55, m1 27 yrs, b. MD/MD/MD truck farm
" , Letitia, wife, 55, m1, 27 yrs, b. MD/MD/?
" , Howard S., 25, single, b. MD/MD/MD farmer, truck farm
" , George T., 21, single, b. MD/MD/MD, farmer, truck farm
" , Letitia, 15, single, b. MD/MD/MD
1930 census MD, Baltimore Co., Baltimore City, 4707 Gunther Avenue
Mumma, Howard S., Head, owner $6000, 45, m. 45 yrs. b. MD/MD/MD farmer
" , Maude A., wife, 44, married 27 yrs, b. IL/PA/MI
" , Edwina L., dau, 16, single, b. MD/MD/IL
" , George T., head, owner $4000, radio, 41, b. MD/MD/IL farmer
" , Letitia E., sister, 35, single, b. MD/MD/MD
Erdman, Peter, lodger, 57, single, b: MD/MD/England
1940: Baltimore, Baltimore City, Maryland, 4707 Gunther Avenue
Residence in 1935: Same House (farm)
George Mumma, 50, head, b: MD, laborer nursery
Howard Mumma, 55, brother, married, b: MD, laborer gardener
Letitia Mumma, 45, sister, single, laborer nursery
Peter Erdman, 67, uncle,