Kaelin is a distinctive boys' name in United States, ranking #7024 in 2009 with 12 recorded births. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 81.5%. In 2009, approximately 1 in every 165,275 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.