Celebration of the 64th Anniversary of the Plumbers Local 130 sponsored Chicago St. Patrick’s Day Parade. One of the largest St. ST Patricks Day Parade 2020 Live Online Tv Patrick’s Day Parade in the country, the annual downtown St. Patrick’s Day Parade celebrates the patron saint of Ireland Irish heritage. One of the largest St. Paddy’s Day parades in the country, Chicago’s version of an Irish American classic is legendary. This downtown celebration traverses Columbus Drive, heading north from Balbo to Monroe.