From articles published in the Lebanon Daily News, Lebanon, Pennsylvania about 1919 by Rev. J. G. Francis. It would appear much of his data came from the Brubaker book.
Transcribed from the newspaper articles by J Lee Kreider, 6248 Freeport Drive, Dayton, Ohio 45415, July, 1983
http://www.kreider.us/Phipps/Kreider.pdf
1920 Census, PA, Lebanon Co., Lebanon City, p. 319
-- 420 Lebanon Street --
Mumma, Isaac, head, owns, 75, m. b: PA/PA/PA, no occ:
" , Annie, wife, 75, b. PA/PA/PA
-- 418 Lebanon Street --
Mumma, Harry, head, owns, 39, b. OH/PA/PA, clerk, store
" , Annie, wife, 49, b: PA/PA/PA
" , Joseph, son, 16, single, b: PA/OH/PA
1930: Lebanon, Lebanon, Pennsylvania
Harry H Mumma, 49
Anna L Mumma, 58
Joseph B Mumma, 26
Loraine C Mumma, 5 [5 2/12]
Anna M Mumma, 2 [2 9/12]
Annie L Mumma, 85
1940, Census, Lebanon, Lebanon, PA, 418 East Lebanon
Residence in 1935: Same House
Harry Mumma 59
Annie Mumma 72
Joseph Mumma 36
Christine Mumma 15
Anna May Mumma 12
Mrs. Annie Lehn Mumma, 81, widow of Isaac Mumma, died at 3:30 o'clock Saturday afternoon, of complications following a four year illness, at the home of her son, Harry H. Mumma, of 418 East Lehman Street. She was a member of the Zion Lutheran Church, & leaves to survive, beside her son, a grandchild and two greatchildren. [Lebanon Daily News 30 Mar 1936]