Kalen is a distinctive girls' name in United States, ranking #4037 in 2006 with 37 recorded births. The name reached its all-time peak in 1998 with 57 births ranking #2441. Since 1996, the popularity has decreased by 21.3%. In 2006, approximately 1 in every 51,380 girls born was named Kalen. RISING Recent data shows the name is currently rising.