Promont is a historic house in Milford, Ohio, United States, which was built in 1865 and listed on the National Register of Historic Places in 1980. It was home to John M. Pattison, 43rd Governor of Ohio from 1879 until his death in 1906. ==History== Promont was built in 1865 by William McGrue on a hill above the village of Milford, OH and the Lit... Found on http://en.wikipedia.org/wiki/Promont