Caelin is a distinctive boys' name in United States, ranking #3364 in 1997 with 21 recorded births. This places Caelin in the top 31% 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 21 births ranking #3364. In 1997, approximately 1 in every 89,766 boys born was named Caelin. FALLING Recent data shows the name is currently falling.