Kaelin is a distinctive boys' name in United States, ranking #4328 in 2008 with 23 recorded births. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 64.6%. In 2008, approximately 1 in every 88,693 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.