Oak Plain Presbyterian Church  Oak Plain Presbyterian Church is a historic Presbyterian church located near Waycross, Sampson County, North Carolina. It was built in 1859, and is a one-story, three-bay-by-three bay, temple form, Greek Revival style frame church. A steeple was added to the church building in 1976. Also on the property is the contributing church cemetery. It was added to the National Register of Historic Places in 1986.