Kellin is a distinctive boys' name in United States, ranking #6285 in 2009 with 14 recorded births. The name reached its all-time peak in 2014 with 110 births ranking #1479. Since 1996, the popularity has increased by 27.3%. In 2009, approximately 1 in every 141,665 boys born was named Kellin. FALLING Recent data shows the name is currently falling.