Barry Historic District is a designated historic district in the Pike County, Illinois city of Barry. Located on U.S. Route 36 (Interstate 72) as it passes through Barry, the district was added to the National Register of Historic Places in March 1979. The district is one of Barry's three Registered Historic Places. The second, named in 1988, is the Free Frank McWorter Grave Site, which is 5 miles east of the city. The third, the New Philadelphia Town Site, is close by the gravesite and was designated a historic place in 2005.