Kaylen is a distinctive girls' name in United States, ranking #1162 in 1999 with 168 recorded births. The name reached its all-time peak in 2009 with 425 births ranking #687. Since 1996, the popularity has increased by 26.3%. In 1999, approximately 1 in every 10,558 girls born was named Kaylen. FALLING Recent data shows the name is currently falling.