Notes:
1900 Census, PA, Lancaster Co., Columbia Borough, ED 13
Smith, William, head, Sept 1877, 22, m 1y, b. PA/PA/PA, laborer stone quary
" , Anna M., wife, July 1878, 21, m 1 yr., 1 child 1 living, b. PA/PA/PA
" , Ada M., dau, July 1899, b. PA
1910 Census, PA, Lancaster Co., Columbia Borough, ED 20, 833 Blunston St.
Mummah, Joseph, head, 70, M 43 yrs, b. PA/PA/PA Laborer pipe mill
" , Martha, wife, 66, m. 43 yrs, 3 children, 1 living, b. PA/PA/PA
Stauffer, Emma, dau., 42, S(?), b. PA/PA/PA, operater laundry
" , John, grand son, 17, S, b. PA/PA/PA, clerk grocery store
Smith, Ada May, grand dau, 10, b. PA
1920 Census, PA, Lancaster Co., Columbia Borough, ED 17, 833 Blunston St
Stauffer, Emma J., head, owner, 52, widow, b. PA/PA/PA, machine operator-garmet factory
Mummah, Martha, mother, 76, widow, b. PA/PA/PA no occupation
Smith, Ada M., neice, 20, single, b. PA/PA/PA, machine operator - garmet factory