Notes:
Data source is Deborah Mummaw Pratt. E-mail Mummawpratt@yahoo.com
1900 Census, PA, Lancaster Co., Columbia Twp., ED 7,
Mumma, Jos W., Head, Jan 1860, 40, m 17 yrs, b. PA/PA/PA railroad fireman
" , Mary, wife, Sept 1869, 37, m 17 yrs, 8 children, 4 living, b. PA/PA/PA
" , John, son, July 1884, 15, b. PA, occ: reeler silk mill
" , Henry H., son, Mar 1889, 11, b. PA, at school
" , William J., son, Oct 1894, 5, b. PA,
" , Gladys E., , dau, Aug 1896, 5, b. PA
1920 Census, Lancaster Co., Columbia Borough, ED 15, dwelling 198, 512 Cherry Street
Mumaw, John, head, rents, 35, b: PA/PA/PA, machinist, steam railroad
" , Lillie, wife, 35, b: PA/PA/PA
" , Gardner, son, 10, b: PA/PA/PA
Welsh, Anna M., sister-in-law, 25, widowed, b: PA/PA/PA
" , Ethel L., neice, 8, b: jPA/PA/PA
1930 Census, Lancaster Co., Columbia Borough, ED 21, p. 73
Mummaw, John, head, owner, $5000, 45, m. age 21, b. PA/PA/PA, machinist railroad
" , Lillie, wife, 45, m.age 21, b. PA/PA/PA
" , Gardiner, son, 21, sinble, b. PA, Electrician Linoleum plant