Ciaran is a distinctive boys' name in United States, ranking #2225 in 2002 with 47 recorded births. This places Ciaran in the top 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 105 births ranking #1609. Since 1996, the popularity has increased by 30.6%. In 2002, approximately 1 in every 41,308 boys born was named Ciaran. RISING Recent data shows the name is currently rising.