Kullen is a distinctive boys' name in United States, ranking #3960 in 2019 with 27 recorded births. This places Kullen in the top 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 64 births ranking #2119. Since 1996, the popularity has increased by 68.8%. In 2019, approximately 1 in every 66,421 boys born was named Kullen. FALLING Recent data shows the name is currently falling.