Cieran is a distinctive boys' name in England & Wales, ranking #633 in 2002 with 31 recorded births. This places Cieran in the top 15% of ranked UK boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2004 with 52 births ranking #500. Since 1996, the popularity has increased by 14.8%. In 2002, approximately 1 in every 9,300 boys born was named Cieran. STABLE Recent data shows the name is currently stable.