Kaelin is a distinctive boys' name in United States, ranking #4190 in 2014 with 24 recorded births. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 63.1%. In 2014, approximately 1 in every 80,018 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.