Ciaran is a distinctive boys' name in United States, ranking #1884 in 2004 with 65 recorded births. The name reached its all-time peak in 2025 with 105 births ranking #1609. Since 1996, the popularity has increased by 80.6%. In 2004, approximately 1 in every 30,535 boys born was named Ciaran. RISING Recent data shows the name is currently rising.