Kaelin is a distinctive boys' name in United States, ranking #11312 in 2025 with 6 recorded births. This places Kaelin in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 90.8%. In 2025, approximately 1 in every 284,679 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.