Keylen is a distinctive girls' name in United States, ranking #11772 in 2012 with 9 recorded births. This places Keylen in the bottom 40% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 20 births ranking #6365. In 2012, approximately 1 in every 195,638 girls born was named Keylen. FALLING Recent data shows the name is currently falling.