Ciaran is a distinctive boys' name in United States, ranking #2148 in 2010 with 62 recorded births. The name reached its all-time peak in 2025 with 105 births ranking #1609. Since 1996, the popularity has increased by 72.2%. In 2010, approximately 1 in every 30,942 boys born was named Ciaran. RISING Recent data shows the name is currently rising.