Cieran is a distinctive boys' name in England & Wales, ranking #726 in 2005 with 34 recorded births. The name reached its all-time peak in 2004 with 52 births ranking #500. Since 1996, the popularity has increased by 25.9%. In 2005, approximately 1 in every 9,101 boys born was named Cieran. STABLE Recent data shows the name is currently stable.