Notes:
While there is no positive proof that this William is the son of Henry, it appears to be most likely. In the 1860 census, he is living with his cousin in Baltimore. Should anyone find this in error or have additional proof, please contact Doug Mumma at doug@mumma.org
1850 Census, PA, Lancaster, Earl Twp, p 214B 30 August 1850
Reuben Reidenbach 23, farmer
Catherine, 21 wife
Peter, 55, Farmer and appears to own the land
Martin, 39, (dwarf)
Maria Weaver, 18 <== Could this be his future wife and Mary Dunlap is incorrect?
William Muma, 16, farmer. attended school
1850 census PA, Lancaster Co., West Earl Twp., 26 Aug 1850
Henry Mumma, 49, laborer, b. PA
Mary Mumma, 48, b. PA
Sarah Mumma, 21, b. PA
Isaac Mumma, 20, b. PA
William Mumma, 19, b. PA <=============
Lewis Mumma, 18, b. PA
1860 Census, MD, Baltimore Co., 11th Dist, p. 801, 25 July 1850 (little Gunpowder P.O.)
William Mumma, 27, farmer, b. PA
Mary, 29, b. PA
Rebecca, 3, b. MD
Living next door is:
Ennis Mumma, 40, farm laborer, b. PA
Susanna, 35, b. PA
Frances, 15, b. PA
Catharine, 14, b. PA
Susan, 12, b. PA
Mary, 10, b. PA
George, 5, b. MD
Elizabeth, 2, b. MD
1870 Census, MD, Baltimore Co., 11th Dist, p. 680 & 681, 29th August, 1870, (Little Gunpowder P.O.]
Mumma, William, 38, Laborer, b. PA
Mumma, Mary, 39, keeps house, b. PA
Mumma, David, 9, b. MD
Mumma, Jane, 5, b. MD
Mumma, William, 3, b. MD
Mumma, Mary, 1, b. MD
1880 Census, MD, Baltimore Co., 11th District, Precinct 1, Page 415B
William Mumma, 47, Carpenter, b. PA, father b. PA, mother b. PA
Mary Mumma, 49, house keeping, b. PA, father b. PA, mother b. PA
Jane Mumma, 15, b. MD
William Mumma, 12, b. MD
Elizabeth Mumma, 9, b. MD
George W. Mumma, 7, b. MD
Annie Mumma, 3, b. MD