Keylin is a distinctive boys' name in United States, ranking #6912 in 2010 with 12 recorded births. The name reached its all-time peak in 2014 with 21 births ranking #4627. Since 1996, the popularity has increased by 100.0%. In 2010, approximately 1 in every 159,868 boys born was named Keylin. STABLE Recent data shows the name is currently stable.