Surratt House ( also known as the Mary Surratt House and the Surratt House Museum ) is a historic house and house museum located at 9110 Brandywine Road in Clinton ( formerly Surrattsville ) , Prince George 's County , Maryland , United States . The house is named for John and Mary Surratt , who built it in 1852 . Mary Surratt was hanged in 1865 for being a co-conspirator in the Abraham Lincoln assassination . It was acquired by the Maryland-National Capital Park and Planning Commission ( M-NCPPC ) in 1965 , restored , and opened to the public as a museum in 1976
Abraham Lincoln assassination
Assassination of Abraham Lincoln
Surratt House Museum