Notes:
Data source is the pamphlet, "Genealogy of One Branch of the Jacob Mumma Family", written by Ellen Landis Mumma in 1970.
1900: East Hempfield, Lancaster, Pennsylvania
John R Mumma 36, m: 13 yrs
Lizzie E Mumma 32, m: 13 yrs, 7 children, 4 living
Anna B Mumma 9
Mary B Mumma 6
Lizzie B Mumma 3
Edna B Mumma 1
James C Binner, hired man, 28
1910: East Hempfield, Lancaster, Pennsylvania
John B Mumma 44, m: 23 yrs.
Lizzie Mumma 42, m: 23 yrs, 10 children 7 living
Anna May Mumina 19
Mary B Mumma 16
Lizzie B Mumma 13
Edna B Mumma 11
J Bear Mumma 9
Clay B Mumina 7
Cora B Mumina 3
1920: West Hempfield, Lancaster, Pennsylvania
John B Mumma 56
Lizzie Mumma 55
[Note: After John's 1st wife died in 1914, the four younger children lived with and were raised by the older siblings]
1920: Rapho, Lancaster, Pennsylvania
Harvey S. Newcomer, head, 27
Anna Newcomer, wife, 29
J Harold Newcomer, son, 2 3/12
Jay Munner, brother-in-law, 19
Edna Munner, sister-in-law21
1920: West Donegal, Lancaster, Pennsylvania
Jacob R Garber, head, 25
Lizzie Garber, wife, 22
Park Garber, son, 1 9/12
Clay Mumma, brother-in-law, 17
Cora Mumma, sister-in-law, 13
1930:East Hempfield, Lancaster, Pennsylvania
John B Mumma 67
Lizzie L Mumma 64
1940: East Hempfield, Lancaster, Pennsylvania
John B Mumma 77
Lizzie L Mumma 75