Cieran is a distinctive boys' name in England & Wales, ranking #605 in 1996 with 27 recorded births. This places Cieran in the top 16% 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. In 1996, approximately 1 in every 11,797 boys born was named Cieran. STABLE Recent data shows the name is currently stable.