Notes:
1900 Census PA, Lancaster Co., West Hempfield Twp., p. 290, 4th June 1900
Mumma, John W., head, Jun 1832, 67, married 43 yrs, b. PA, Fa: PA, Mo: PA, house carpenter
" , Elizabeth, wife, Mar 1836, 64, married 43 yrs, b. PA
" , Frederick W., son, Jan 1874, 26, single, house carpenter
" , Frank W, son, Feb 1877, 23 single, R.R. track repair
1910 Census Lancaster Co., Lancaster City, 16 Apr 1910, ED 83, Ward 7
Mumma, Frank, head, 23, married once 3 yrs, b. PA, moterman, street car
" , Ida, wife, 25, married once 3 yrs, b. PA, 2 children, 2 living
" , Russell, son, 3, b. PA
" , Lester, son, 3, b. PA
" , Elizabeth, mother, 76, widow, 8 children, 8 living
1930 census, PA, Lancaster Co., Lancaster City, 7th Ward, ED 26, p. 202
Mumma, Ida, 45, widow, b. PA
" , Lester C., son, 22, single, operator, limeburner
" , Mildred, M., dau., 13, b. PA
" , Dorothy J., dau., 8 10/12, b. PA
1940 Census, Lancaster, Lancaster, Pennsylvania, 716 Lehigh Ave
Residence in 1935: Same Place
Lester C Mumma, head, 32, b: PA, laborer, Limeburn plant
Bertha L Mumma, wife, 34, b: PA
Jean L Mumma, dau, 6, b: PA
Linda A Mumma, dau, 4, b: PA
Glen E Mumma, son, 3, b: PA
Eileen R Mumma, dau, 1, b: PA