Kallen is a distinctive girls' name in United States, ranking #10012 in 2003 with 10 recorded births. This places Kallen in the bottom 46% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 15 births ranking #6322. In 2003, approximately 1 in every 182,705 girls born was named Kallen. RISING Recent data shows the name is currently rising.