Kullen is a distinctive boys' name in United States, ranking #3304 in 2009 with 34 recorded births. The name reached its all-time peak in 2012 with 64 births ranking #2119. Since 1996, the popularity has increased by 112.5%. In 2009, approximately 1 in every 58,333 boys born was named Kullen. FALLING Recent data shows the name is currently falling.