Kaelin is a distinctive girls' name in United States, ranking #16016 in 2025 with 5 recorded births. The name reached its all-time peak in 2005 with 196 births ranking #1177. Since 1996, the popularity has decreased by 95.8%. In 2025, approximately 1 in every 321,453 girls born was named Kaelin. FALLING Recent data shows the name is currently falling.