Cieran is a distinctive boys' name in England & Wales, ranking #960 in 2006 with 24 recorded births. This places Cieran in the top 18% 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 decreased by 11.1%. In 2006, approximately 1 in every 13,347 boys born was named Cieran. STABLE Recent data shows the name is currently stable.