Shamrock - The Irish have considered shamrocks as good-luck symbols since earliest times, and today people of many other nationalities also believe they bring good luck.
Leprechaun - A leprechaun is an Irish fairy who looks like a small, old man about 2 feet tall. He is often dressed like a shoemaker, with a crooked hat and a leather apron. According to legend, leprechauns are aloof and unfriendly. They live alone, and pass the time making shoes. They also have a hidden pot of gold!
Color Green - Wearing the color green is considered an act of paying tribute to Ireland. It is said that it also brings good luck, especially when worn on St. Patrick's Day.
Harp - The harp is an ancient musical instrument used in Ireland for centuries. It is also a symbol of Ireland.