Willow O'Brien, 5, holds an Irish flag as she poses for pictures on Saint Patrick's Day in Dublin, Ireland.
Cardinal Timothy Dolan, Archbishop of New York, holds St. Patrick's Day Mass at St. Patrick's Cathedral in Manhattan in New York City.
The stupa of the Buddhist temple Wat Arun (Temple of Dawn) is illuminated in green to mark St. Patrick's Day in Bangkok.
Bishop William Murphy, the retired Bishop of the Diocese of Rockville Centre, speaks during a St. Patrick's Day Mass at St. Patrick's Cathedral in Manhatta.
Cardinal Timothy Dolan, Archbishop of New York, waves to parishioners after the conclusion of a St. Patrick's Day Mass at St. Patrick's Cathedral in Manhattan.