Kaelin is a distinctive girls' name in United States, ranking #1177 in 2005 with 196 recorded births. The name reached its all-time peak in 2005 with 196 births ranking #1177. Since 1996, the popularity has increased by 66.1%. In 2005, approximately 1 in every 9,427 girls born was named Kaelin. FALLING Recent data shows the name is currently falling.