The day is the national holiday of Ireland.It is a bank holiday in Northern Ireland and a public holiday in the Republic of Ireland and Montserrat.

• 1737年，一些爱尔兰绅士和商人们在美国马萨诸塞州波士顿聚会纪念圣帕特里克，并成立了爱尔兰慈善社团。