Mary S. Black was recorded in the 1860 census of Cumberland Township, Adams County, Pennsylvania, as a two-year-old girl born in Pennsylvania. She was listed in dwelling 482, family 538, with William Black, a farmer, Eliza C. Black, William H. Black, and Susan Caskey.
Age in 1860: 2
Sex: F
Race: W
Birthplace: Pennsylvania
Township: Cumberland
Dwelling Number: 482
Family Number: 538
Identification Status: Unresolved
Confidence Level: Weak
Evidence Strength: Weak Circumstantial