Notes:
William is identified in the deed [AWB 405 folio 43] for the sale of his mother's land after her death in 1848. He is also identified in the 1850 census of Baltimore Co., MD in District 2. He is living with another family.
Baltimore (Maryland) Sun, Friday, February 8, 1889:
MUMMA---On 4th February, 1889, WILLIAM A. MUMMA, aged 75 years.
The funeral took place on Wednesday, 6th instant, from the residence of his brother-in-law, John McCubbin, near Parkton, N. C. R. R. Interment at Stabler's Church, near Stablersville, Md