Notes:
Mary is listed in the Kauffman book. "A Genealogy and History of the Kauffman-Coffman Families of North America, 1584-1937 (York, PA, Author - Charles Fahs Kauffman, 1940, p. 103)
1900 Census, PA, Cumberland Co., Mechanicsburg Burough, ED 16, dwelling 423
Mumma, Mary, head, Feb 1823, 77, widowed, 6 children, 6 living, b: PA/PA/PA
Harnish, J. L., son-in-law, July 1862, 37, married, 0 children, b: PA/PA/PA