Keylin is a distinctive boys' name in United States, ranking #7536 in 1999 with 8 recorded births. The name reached its all-time peak in 2014 with 21 births ranking #4627. Since 1996, the popularity has increased by 33.3%. In 1999, approximately 1 in every 240,011 boys born was named Keylin. STABLE Recent data shows the name is currently stable.