G. M. Hopkins 1858 map of Adams County. This map shows Mt. Pleasant Township and within her borders; Bonaughtown and Square Corner Post Office.

Residents in and around Bonaughtown include: Keefauver, Kuhn, Gallagher, Little, VanDyke, Sneeringer, Hagerman, Ditzler (pottery,) Smith, Swope, Sheely, Shorb, Overbaugh, etal.