Kallen is a distinctive girls' name in United States, ranking #11394 in 2025 with 8 recorded births. The name reached its all-time peak in 1997 with 15 births ranking #6322. Since 1996, the popularity has decreased by 27.3%. In 2025, approximately 1 in every 200,908 girls born was named Kallen. RISING Recent data shows the name is currently rising.