Kaylen is a distinctive girls' name in United States, ranking #798 in 2010 with 343 recorded births. The name reached its all-time peak in 2009 with 425 births ranking #687. Since 1996, the popularity has increased by 157.9%. In 2010, approximately 1 in every 5,182 girls born was named Kaylen. FALLING Recent data shows the name is currently falling.