Kaylen is a distinctive girls' name in United States, ranking #848 in 2007 with 335 recorded births. The name reached its all-time peak in 2009 with 425 births ranking #687. Since 1996, the popularity has increased by 151.9%. In 2007, approximately 1 in every 5,739 girls born was named Kaylen. FALLING Recent data shows the name is currently falling.