Kiel is a distinctive boys' name in United States, ranking #11400 in 2025 with 6 recorded births. This places Kiel in the bottom 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 45 births ranking #2011. Since 1996, the popularity has decreased by 85.7%. In 2025, approximately 1 in every 284,679 boys born was named Kiel. FALLING Recent data shows the name is currently falling.