Kullen is a distinctive boys' name in United States, ranking #2687 in 2014 with 45 recorded births. The name reached its all-time peak in 2012 with 64 births ranking #2119. Since 1996, the popularity has increased by 181.3%. In 2014, approximately 1 in every 42,676 boys born was named Kullen. FALLING Recent data shows the name is currently falling.