Located in front of the County Courthouse in Smethport, Pennsylvania, this historic marker states:
McKean County
Formed March 26, 1804 out of Lycoming County. Named for Gov. Thomas McKean. Smethport, the county seat, was incorporated 1853; here the "Bucktails," famed Civil War regiment, assembled in 1861. Oil, gas, and lumber spurred the county's early economic growth.