Cieran is a distinctive boys' name in England & Wales, ranking #543 in 2000 with 35 recorded births. The name reached its all-time peak in 2004 with 52 births ranking #500. Since 1996, the popularity has increased by 29.6%. In 2000, approximately 1 in every 8,376 boys born was named Cieran. STABLE Recent data shows the name is currently stable.