Ciaran — Diminutive of Ciar. This was the name of two Irish saints: Saint Ciarán the Elder, the patron of the Kingdom of Munster, and Saint Ciarán of Clonmacnoise, the founder of a monastery in the 6th century.
Saintly namesake: Ciarán of Clonmacnoise was an Irish bishop and founder of the monastery at Clonmacnoise. He is remembered as one of the Twelve Apostles of Ireland and is one of several saints named Ciarán. (September 9 · 6th century)
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