There is a Rebecca, a matriarch from the Old Testament and there is a Saint Rebecca the Martyr who was martyred in the 3rd century in Alexandria, Egypt. Then there is St. Rafqa, sometimes called Rebecca, from Lebanon. None are from Ireland.
There is no record of a Saint Rebecca in Irish history or in the official list of Irish saints recognized by the Catholic Church. While there may be individuals named Rebecca who are venerated locally, there is no widely recognized Irish saint by that name.
Saint of the Sick and those who have lost parents.
There is not a recognized saint named Grainne in the Catholic Church. Grainne is a more common name in Irish folklore and mythology.
Saint Meadhbh, also known as Saint Mรกedรณc or Saint รed, was an Irish monk who lived in the 6th century. He founded a monastery in Ferns, County Wexford, Ireland and is remembered for his piety and humility. Saint Meadhbh is believed to have performed miracles during his lifetime and is venerated as a saint in the Irish Catholic tradition.
There is no recognized Saint Clodagh in the Catholic Church. The name Clodagh originates from Irish Gaelic and is not commonly associated with a saint.
There is no recognized saint named Caitlin in the Catholic tradition.
Saint Rebecca (Saint Rafqa) is not the patron saint of any country as per the Patron Saint Index.
No, Irish is not the name of a saint.
Saint of the Sick and those who have lost parents.
Saint Rebecca the Martyr's feast day is September 4.March 23 is St. Rebecca's feast day.
There is no saint named Niamh. She is a mythical Irish character.
Saint Brendan the Navigator
No. She is an Italian Saint. She was a disciple of St. Francis of Assisi.
Saint Patrick is the best known of the Irish saints.
Saint Cinnia was an Irish princess who was converted by Saint Patrick.
Saint Brendan
A good Irish saint, her story is at the link below:
Which Saint John? There are over 100 saints named John.