Ciarán is a traditional Irish name derived from the Gaelic word "ciar," meaning "dark" or "black." It is commonly used for boys and has various spellings, including Kieran and Ciaran. The name has historical significance in Ireland, often associated with saints, particularly Saint Ciarán of Saigir, who is considered one of the twelve apostles of Ireland. Ciarán is also a popular name in modern times, often chosen for its cultural heritage. It is celebrated in literature and music, reflecting the rich traditions of Irish culture. The name has gained international recognition, making it a familiar choice beyond Ireland.