Notes:
Data source is "The Brenneman History", 1938 by Albert H. Gerberich, p. 75. Mennonite Publishing House, Scottdale, PA
1900 Census, PA, Dauphin Co., Lower Swatara twp., ED 86, p. 144
Mumma, Michael, head, Aug 1866, 34, m. 12 yrs, b. PA / PA / PA, occ: farmer
" , Frances, wife, Jun 1864, 35, m. 12 yrs, 1child, 1 living, b. PA / PA / PA
" , Millard, son, Oct 1889, 10 single, b. PA / PA / PA
1910 Census, PA, Dauphin Co., Londonderry Twp., ED 98, p. 260
Mumma, Michael U., head, 44, m1 22 yrs, b. PA / PA / PA, sawyer in grain mill
" , Frances, wife, 45, m1 22 yrs., b. PA / PA / PA
" , Millard R., son, 20, single, b. PA / PA / PA, engineer in lumber mill
1920 Census, PA, Dauphin Co., Londonderry twp., ED 115, p. 188(?)
Household 57
Mumma, Michael V., head, owner, 54, b. PA / PA / PA, occ: foreman(?) in can(?) shops
" , Francis, wife, 55, b. PA / PA / PA
Mumma, Millard R., head, renter, 30, b. PA / PA / PA, occ: machinest in can(?) shops
" , Laura Elizabeth, wife, 35, b. PA / PA / PA
" , Enos Y., son, 8, single, b. PA
" , John H., son, 4 7/12, single, b. PA
" , Paul S., son, 6/12, single, b. PA
1930 census, PA, Dauphin Co., Londonderry Twp., ED 22-20, p. 135
Mumma, Michael, head, owner $1000, no radio, 65, m age 23, b. PA / PA / PA, occ: none
" , Fanny, wife, 65, m. age 23, b. PA / PA / PA
Mumma, Millard, head, renter $10, 41, m. age 20, b. PA / PA / PA, occ: machinest - electronic plant
" , Flora, wife, age?, m. age 24, b. PA / PA / PA
" , Enos, son, 18, single, b. PA
" , John, son, 16, single, b. PA
" , Paul, son, 9, single, b. PA
" , Ruth, dau, 8, single, b. PA