Patrick’s Day is nowhere near as big in Ireland as it tends to be in the United States, especially since the holiday originated in Ireland. In Ireland, St. Patrick’s Day is a celebration of St. Patrick, and therefore a religious holiday.Click to see full answer. Considering this, what do the Irish do on St Patrick’s Day?The day commemorates Saint Patrick and the arrival of Christianity in Ireland, and celebrates the heritage and culture of the Irish in general. Celebrations generally involve public parades and festivals, céilís, and the wearing of green attire or shamrocks.One may also ask, why is St Patrick’s Day a big deal? It was and is primarily a religious holiday in Ireland and also one associated with the goal of national liberation. In places like New York and Chicago, Irish Americans were determined to make a place for themselves. is St Patrick’s Day in Ireland worth it? St. Patrick’s Day in Ireland, especially in Dublin, is going to be packed no matter what you do. That’s why tickets to an organized event are worth the small price—you’re sure to be able to get a drink at the bar, see some live entertainment, chat with locals, and have enough elbow room to raise your pint.Why do non Irish celebrate St Patrick’s Day?St. Patrick’s Day is a four-day public celebration that includes parades, music, food, and games. For Irish people living outside Ireland, Saint Patrick’s Day became a chance to celebrate their Irish identity and culture. “It’s very much a day by which the Irish put themselves center stage,” Cronin said.