Kelin is a distinctive boys' name in United States, ranking #6779 in 2004 with 11 recorded births. This places Kelin in the bottom 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 30 births ranking #3483. In 2004, approximately 1 in every 180,437 boys born was named Kelin. FALLING Recent data shows the name is currently falling.