Keylin is a distinctive boys' name in United States, ranking #5388 in 2012 with 17 recorded births. The name reached its all-time peak in 2014 with 21 births ranking #4627. Since 1996, the popularity has increased by 183.3%. In 2012, approximately 1 in every 111,566 boys born was named Keylin. STABLE Recent data shows the name is currently stable.