Kellin is a distinctive boys' name in United States, ranking #1924 in 2015 with 76 recorded births. The name reached its all-time peak in 2014 with 110 births ranking #1479. Since 1996, the popularity has increased by 590.9%. In 2015, approximately 1 in every 25,214 boys born was named Kellin. FALLING Recent data shows the name is currently falling.