Cieran is a distinctive boys' name in England & Wales, ranking #559 in 2001 with 34 recorded births. This places Cieran in the top 14% 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 25.9%. In 2001, approximately 1 in every 8,465 boys born was named Cieran. STABLE Recent data shows the name is currently stable.