St. Patrick did. It is said that he used the shamrock, because of its 3 leaves, to show how there are 3 persons in 1 God. This is why it is particularly associated with Ireland.
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 described the Trinity to the pagan Druids of Ireland.
Because it's a false doctrine of devils. God the son and god the holy spirit are false babylonian gods.
Saint Patrick taught the Trinity to the Irish people as a way to explain the concept of one God in three persons, Father, Son, and Holy Spirit. By using the shamrock as a visual aid, he was able to illustrate this complex idea in a simple and understandable way for the local population.
The holy trinity are (not was) God, Jesus the Christ, and the Holy Spirit.
St. Patrick is known for spreading Christianity in Ireland and is credited with using the three-leafed shamrock to explain the concept of the Holy Trinity. He is also believed to have performed miracles and baptized many people during his time as a missionary.
The Holy Trinity is located everywhere.
This is possible because Catholics believe in the Holy Trinity. The Holy Trinity includes God the Father, Jesus Christ the son of God, and the Holy Spirit. These three are all independently recognized but unified as one holy entity. This is what is taught in Catholic schools and Roman Catholic churches.
The holy trinity will always be the father son and holy ghost.
Shamrock, pot of gold, Ireland, leprechaun, Irish flag, gold lucky coin, horseshoe, and beer.
Because the prayer was taught to the people by Jesus (who is believed by Christians to be God or Lord, as one of the three in The Trinity, the unity of "The Father, Son, and Holy Ghost").
The Holy Trinity does not have any feminine aspects.