Kaelin is a distinctive girls' name in United States, ranking #1945 in 1999 with 81 recorded births. The name reached its all-time peak in 2005 with 196 births ranking #1177. Since 1996, the popularity has decreased by 31.4%. In 1999, approximately 1 in every 21,899 girls born was named Kaelin. FALLING Recent data shows the name is currently falling.