Keylin is a distinctive boys' name in United States, ranking #11902 in 2003 with 5 recorded births. The name reached its all-time peak in 2014 with 21 births ranking #4627. Since 1996, the popularity has decreased by 16.7%. In 2003, approximately 1 in every 395,054 boys born was named Keylin. STABLE Recent data shows the name is currently stable.