Kaelin is a distinctive boys' name in United States, ranking #3557 in 2007 with 30 recorded births. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 53.8%. In 2007, approximately 1 in every 69,175 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.