Mark your calendars... 39th annual Harp & Shamrock Society of Texas 5K RUN and COMPETITIVE WALK Thank you! to all our runners, walkers, and these sponsors: See you next year! Irish Scholars Learn more about our efforts to financially support collegiate students with Irish heritage. Ready to join? Explore, enrich and celebrate your Irish heritage with us. Submit your membership application today. St. Patrick's Day For years, we've held the biggest and best celebrations of St. Patrick's Day in San Antonio.