Notes:
1920 Census, NY, New York Co., Manhattan, ED 67, dwelling 93 (apartment)
Mumma, William, head, rents, 21, m:, b: PA/PA/PA,timekeeper, office
" , Corrine, wife, 23, m: , b: PA/PA/PA,
1930 Census, NY, New York Co., Manhattan, District 1012
William Mumma, head, rents, 34, 1st m: @ age 23, b: PA/PA/PA, paymaster construction co.
Corinne Mumma, wife, 33, 1st m @ age 22, b: PA/Englend/PA1900 Census, PA, Lancaster Co., West Hempfield twp., .p 302A
Mumma, John N, head, b. Feb 1875, 25, m 3 yrs, b. PA/PA/PA laborer day
" , Bertha, wife, May 1864, 36, m. 3 yrs, 2 children, 2 living, b. PA/PA/PA
" , William B., son, Jun 1898, 2, single, b. PA
" , J. Russel, son, dec 1899, 5/12, b. PA
1910 Census, PA, Lancaster Co., West Hempfield twp.
Mumma, John, head, 38, m1 14 yrs, b. PA/PA/PA, mill team
" , Besltie, wife, 41, m1 14 yrs., 2 children, 1 living, b. PA/PA/PA, gate keeper toll gate
" , William, son, 11, single, b. PA
1920 Census NY, Borough of Manhatton, ED675
He is listed as a border living at 59 West 96th street
Mumma, William, boarder, 21, m., b. PA/PA/PA time keeper office
" , Corinne, wife, 23, m. b. PA/PA/PA,
i1940: East Hempfield, Lancaster, Pennsylvania
Residence in 1935:East Hempfield
William B Mumma,43Head
Corinne G Mumma, 44Wife
Lois G Pender, 35Sister-in-law
Joan D Pender, 4Niece