Kaelin is a distinctive boys' name in United States, ranking #2220 in 1998 with 41 recorded births. This places Kaelin in the top 20% 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 36.9%. In 1998, approximately 1 in every 46,618 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.