Ciel is a distinctive boys' name in United States, ranking #5555 in 2015 with 16 recorded births. This places Ciel in the top 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 32 births ranking #3510. In 2015, approximately 1 in every 119,766 boys born was named Ciel. FALLING Recent data shows the name is currently falling.