According to St. Patrick's Day lore, Patrick used the three leaves of a shamrock to explain the holy trinity: the Father, the Son, and the Holy Spirit. Today, St. Patrick's Day revelers wear a ...

Patrick’s own writings and early accounts of the saint’s career reveal ... still learn that Patrick used a shamrock as a symbol of the Christian Trinity when he preached to the heathen Irish.

The patron saint of Ireland, Saint Patrick, used the shamrock as a symbol to explain the Holy Trinity when he was converting ...

Legend has it that Saint Patrick used a three-leaved shamrock to explain the concept of Christianity's Holy Trinity to the people of Ireland; however, according to National Geographic, historians ...