The Silas M. Clark House, also known as Clark Memorial Hall and the History House, is an historic, American home that is located in Indiana, Pennsylvania, United States.
Built from 1869 to 1870, this historic structure is a three-story, brick building with a cross-gable roof that was designed in the Italian Villa style. It features round-headed windows, a central tower and an arched entryway, and housed the local chapter of the American Red Cross from 1918 to 1930. Since 1951, it has housed the Indiana County Historical and Genealogical Society.[2]