Kellin is a distinctive boys' name in United States, ranking #4941 in 2010 with 19 recorded births. The name reached its all-time peak in 2014 with 110 births ranking #1479. Since 1996, the popularity has increased by 72.7%. In 2010, approximately 1 in every 100,969 boys born was named Kellin. FALLING Recent data shows the name is currently falling.