Data source is "The Mumma Family" by Samuel H. Mumma 1962 & Moomaw book 1990
The birth of Abraham, as well as his wife and children are recorded in the 1813 family bible which he must have inherited from his father.
County. Images of the bible can be found in the Mumma Archives.
http://www.mumma.org/archives/bible8.html
1850 Census, PA, Lancaster Co., Manor Twp., p. 151
Abraham Mumma, 31, laborer, b. PA
Elizabeth Mumma, 27, b. PA
Levi Mumma, 5, b. PA
Mary Siegrist, 60, $2000 personal, b. PA
[Note: The relationship of Mary Siegrist is unknown, however she is buried in the family plot. His sister, Fanny, is living 4 dwellings away with another family]
1860 Census, PA, Lancaster Co., Manor Twp., p. 405
Abraham Mumma, 40, farmer, $6000 real estate, $2000 personal, b. PA
Elizabeth " , 36, b. PA
Levi " , 15, laborer, b. PA
Lizy Heinman, 7, b. PA
Hetty Ulrich, 19, domestic
1870 Census, PA, Lancaster Co., Manor Twp., Millersville P.O. p. 510
Mumaw, Abram, 52, farming, $3300 real estate, $250 personal, b. PA
" , Elizabeth, 47, keeps house, b. PA
Heiniman, Elizabeth, 47, domestic servant
1880 Census, PA, Lancaster Co., Manor Twp., Millersville Dist.
Mummau, Abr., 62, laborer, b. PA/PA/PA
" , Elizabeth, 57, keeping house, b. PA/PA/PA
The Columbia Spy - Nov. 30, 1889
DEATH OF ABRAHAM MUMMA
Abraham Mumma, a well-known farmer of Manor township, died suddenly on Sunday morning, at his residence, on the Lancaster and Columbia turnpike, about six miles east of Columbia. Mr. Mumma was 71 years old, and was a well-known member of the Mennonite church.