Kaylen is a distinctive girls' name in United States, ranking #827 in 2005 with 310 recorded births. The name reached its all-time peak in 2009 with 425 births ranking #687. Since 1996, the popularity has increased by 133.1%. In 2005, approximately 1 in every 5,960 girls born was named Kaylen. FALLING Recent data shows the name is currently falling.