Tentative date. The Annual Wilmington St. Patrick's Day Parade & Post-Parade Hooley. The Parade starts at 12:00 PM at 4th & King Street. It will proceed up King Street to 15th Street. The Grandstand will be located at Rodney Square. The Parade will continue on King Street and will end near 14th Street where the Post-Parade Hooley will be held in a parking lot inside a large tent.