Kaelin is a distinctive boys' name in United States, ranking #3275 in 2001 with 27 recorded births. The name reached its all-time peak in 1996 with 65 births ranking #1543. Since 1996, the popularity has decreased by 58.5%. In 2001, approximately 1 in every 71,957 boys born was named Kaelin. FALLING Recent data shows the name is currently falling.