Ciaran is a distinctive boys' name in United States, ranking #2136 in 1997 with 41 recorded births. The name reached its all-time peak in 2025 with 105 births ranking #1609. Since 1996, the popularity has increased by 13.9%. In 1997, approximately 1 in every 45,978 boys born was named Ciaran. RISING Recent data shows the name is currently rising.