Kaelin is a distinctive girls' name in United States, ranking #1803 in 2008 with 121 recorded births. This places Kaelin in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 196 births ranking #1177. In 2008, approximately 1 in every 15,626 girls born was named Kaelin. FALLING Recent data shows the name is currently falling.