A shamrock is a young sprig of clover…
For ancient Celtic communities in pagan Ireland, three was a significant number and the Irish had many triple deities. The shamrock was probably associated with the earth and symbolic of the regenerative powers of nature … Nevertheless, the shamrock, whatever its history as a folk symbol, today has its meaning in a Christian context. Used as a symbol of Christianity in Ireland. Saint Patrick, Ireland’s patron saint, is said to have used it as a metaphor for the Christian Holy Trinity. .
What the Samrock symbolises to the Celtics
The Shamrock petals stand up when a storm is approaching, warning people of the impending danger , people therefore use it:
Warding off evil
As St. Patrick is Ireland’s patron saint, shamrock has been used as a symbol of Ireland since the 18th century. The shamrock first began to change from a symbol association solely with St. Patrick to an Irish national symbol when it was used as an emblem by rival militias, during the turbulent politics of the late eighteenth century.