Kagan is a distinctive boys' name in United States, ranking #4902 in 2011 with 19 recorded births. The name reached its all-time peak in 2001 with 36 births ranking #2659. Since 1996, the popularity has increased by 18.8%. In 2011, approximately 1 in every 99,947 boys born was named Kagan. FALLING Recent data shows the name is currently falling.