Castiel is a distinctive boys' name in United States, ranking #811 in 2021 with 299 recorded births. This places Castiel in the top 6% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2019 with 336 births ranking #724. In 2021, approximately 1 in every 5,847 boys born was named Castiel. STABLE Recent data shows the name is currently stable.