The society manages a research libray as well as the McCoy House Museum, the birthplace of Major General Frank Ross McCoy in 1874. The Mifflin County Historical Society, founded in 1921, had become... More on Heritage
Inscription. Formed September 19, 1789 from Cumberland and Northumberland counties, and named for Thomas Mifflin, Governor, 1790-99. County seat, Lewistown, was laid out 1790; incorporated 1795. Im... More on HMDB

