early 2013 reported contacting John Benninghofen's wife and various other residents of early Hamilton, and locals frequently contact museum staff asking if it is haunted. In 1973, the Benninghofen House was listed on the National Register of Historic Places, qualifying both because of its historic architecture and because of its connection to John Benninghofer. It is one of sixteen Hamilton locations on the Register, and one of more than eighty countywide. References External links Butler County Historical Society National Register of Historic Places in Butler County, Ohio Houses completed in 1862 Buildings and structures in Hamilton, Ohio Historic house museums in Ohio Houses in Butler County, Ohio Houses on the National Register of Historic Places in Ohio Italianate architecture in Ohio Museums in Butler County, Ohio Reportedly haunted locations in Ohio 1862 establishments in Ohio