Kaelin is a distinctive boys' name in United States, ranking #5371 in 2012 with 17 recorded births. This places Kaelin in the top 38% 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 73.8%. In 2012, approximately 1 in every 111,566 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.