Kullen is a distinctive boys' name in United States, ranking #4356 in 2003 with 19 recorded births. The name reached its all-time peak in 2012 with 64 births ranking #2119. Since 1996, the popularity has increased by 18.8%. In 2003, approximately 1 in every 103,962 boys born was named Kullen. FALLING Recent data shows the name is currently falling.