Singling Out Historical Cemeteries: Historical markers are used by state and local governments to single out cemeteries of cultural significance. Not only is Magnolia Cemetery old, it is also on the site of a Southern plantation that dates back to 1784. In fact, the plantation house now serves as the cemetery office. In addition to being marked by the State of South Carolina, Magnolia Cemetery is on the National Register of Historic Places. Magnolia Cemetery.