What is the Harp & Shamrock Society? Formed in October 1966, the Society was founded to "involve persons of Irish nationality or heritage to do honor to the land of their forefathers." Our Society is Non-Sectarian, Charitable, Cultural, Civic, Educational, Patriotic, and Social. Ready to join? Explore, enrich and celebrate your Irish heritage with us. Submit your membership application today. St. Paddy's For years, we've held the biggest and best celebrations of St. Patrick's Day in San Antonio. Irish Scholars Learn more about our efforts to financially support collegiate students with Irish heritage.