Coffee Run Mission Site, also known as Coffee Run Church and St. Mary's Church, is a historic mission church site and national historic district located at Hockessin, New Castle County, Delaware. It encompasses two contributing buildings and one contributing site. They are the Father Kenney House and stone barn with frame addition. The house was built in 1812, and was a two-story, three bay stone dwelling with a cross-gable roof. The Coffee Run cemetery is the burial ground of the first Catholic church in Delaware. It measures approximately 66 feet by 183 feet and includes over 50 carved headstones and 12 uncut stone markers. Located at the cemetery is a small cinder block building, which contains an altar, and stands at the site of the original log mission church built about 1790. It was