Notes:
Data source is "The Mumma Family" by Samuel H. Mumma 1962 & Moomaw book 1990
1900 Census, PA, York Co., Carroll Twp.., dwelling 148 (Surname transcribed as Lindsay)
Lindsey, John B., head, Nov. 1864, 30, m1 10 yrs, b: OH/PA/PA, farmer
" , Jennie E., wife, May 1870, 4 children, 4 living, b: PA/PA/PA
" , Bruce H, son, Nov 1887, 13, b: PA/PA/PA
" , Margaret M., dau, Apr 1891, 9, b: PA/PA/PA
" , Catherine, dau, Apr 1893, 7, b: PA/PA/PA
" , Anna L., dau, Jun 1896, 3, b: PA/PA/PA
1910 Census, PA, Dauphin Co., Harrisburg City, 121 Summit Street, dwelling 645
**** family #657
Mumma, Harry B, head, 22, m: 3 yrs, b: PA/PA/PA, bookkeeper
" , Anna B., wife, 26, m: 3 yrs, b: PA/PA/PA
" , George J. son, 2, b: PA/PA/PA
" , John L., son, 3/12, b: PA/PA/PA
**** family #658
Lindsey, Jennie E., head, 39, widowed, 4 children, 3 living, b: PA/PA/PA, domestic, day work
" , Catherine L. dau., 17, single, b: PA/PA/PA, clerk, laundry
" , Anna L., dau, 13, single, b: PA/OH/PA
1920 Census, PA, Dauphin Co., Harrisburg City, ED 90, 1229 Bailey Street, dwelling 253
Lindsey, Jennie, head, rents, 49, widowed, b: PA/PA/PA
" , Catherine, dau, 26, single, b: PA/PA/PA, bookkeeper, printing company
" , Anna, dau, 23, single, b: PA/PA/PA, ironer, laundry
1930, Census, PA, Cumberland Co., Lemoyne Borough, ED 21-19, 130 Hummel Avenue, dwelling 81
O'Hara, David M, head, owns, $1500, has radio, 34, 1st m: @ age 24, b: PA/PA/PA, machinist, Pennsylvania RR
" , Catherine L., wife, 36, b: PA/OH/PA,
" , Robert D., son, 9, b: PA/PA/PA
" , Bruce L., son, 8, b: PA/PA/PA
" , Jack A., son, 5 11/12, b: PA/PA/PA
" , Jean L., dau, 3 4/12, b: PA/PA/PA
Lindsey, Jeanne E., mother, 59, widowed, b: PA/PA/PA
1940: Lemoyne, Cumberland, Pennsylvania
Residence in 1935: Same House
David O'Hara 44
Catherine O'Hara 46
Robert O'Hara 19
Bruce O'Hara 18
John O'Hara 15
Jean O'Hara 13
Jennie Lindsey 69