The shamrock was chosen Ireland's national emblem because of the legend that St. Patrick had used it to illustrate the doctrine of the Trinity. The Trinity is the idea that God is really three-in-one: The Father, The Son and The Holy Spirit.
shamrock
He was teaching the pagan Druids about the Trinity - one leaf, three parts; one God, three persons.
The shamrock - one leaf, three parts.
St. Patrick is known as the "Apostle of Ireland" and legend says he did use the Shamrock as a tool to describe the Trinity.
He used a shamrock to symbolize the Father, Son, and the Holy Spirit.
He used the shamrock - one leaf but three parts.
Saint Patrick would take groups of pagans to a field and say to them "Look, God is all around you, he loves you, so pick up a clover and look at the three leaves." He'd then ask them what the leaves meant, then tell them it meant "The father, The Son, and The Holy Spirit"
One of Ireland's symbols, the Shamrock, is said to have been significance due to its use by Saint Patrick when he was attempting to teach about the Holy Trinity. The Shamrock helped him to clarify the lesson by using its three leaves to represent The Father, The Son, and the Holy Spirit. .
Saint Patrick used the shamrock, a three-leafed clover, to explain the concept of the Blessed Trinity — Father, Son, and Holy Spirit. By showing how three distinct leaves are part of one plant, he illustrated how three distinct persons are part of one God.
St. Patrick used the shamrock, a three-leafed plant, to symbolize the Holy Trinity (Father, Son, and Holy Spirit) and make it easier for people to understand the concept of three persons in one God. He used simple and relatable examples from nature to teach complex theological ideas.
The three leaf clover. He used it to help explain to Holy Trinity.
There were no surnames in use at the time of St. Patrick.