Oliver Horner was likely Oliver A. Horner, a farmer, residing in Cumberland Township, Adams County, Pennsylvania. Oliver Horner was recorded in the 1860 census of Cumberland Township, Adams County, Pennsylvania as 19 years old, born in Pennsylvania, working as a farmer. He is identified in Horner family material as a child of David W. and Susan Robertson Horner. The entry placed him in dwelling 490, family 547, in the same household as David Horner and Susan Horner and other residents.
Age in 1860: 19
Sex: M
Race: W
Birthplace: Pennsylvania
Township: Cumberland
Dwelling Number: 490
Family Number: 547
Identification Status: Probable
Confidence Level: Probable
Evidence Strength: Moderate Circumstantial