Kaelin is a distinctive girls' name in United States, ranking #1537 in 2004 with 130 recorded births. The name reached its all-time peak in 2005 with 196 births ranking #1177. Since 1996, the popularity has increased by 10.2%. In 2004, approximately 1 in every 14,124 girls born was named Kaelin. FALLING Recent data shows the name is currently falling.