Cieran is a distinctive boys' name in United States, ranking #12639 in 2024 with 5 recorded births. This places Cieran in the bottom 11% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 8 births ranking #8881. In 2024, approximately 1 in every 343,063 boys born was named Cieran. FALLING Recent data shows the name is currently falling.