Cullin is a distinctive boys' name in United States, ranking #6503 in 2009 with 13 recorded births. The name reached its all-time peak in 2000 with 23 births ranking #3558. Since 1996, the popularity has decreased by 27.8%. In 2009, approximately 1 in every 152,562 boys born was named Cullin. FALLING Recent data shows the name is currently falling.