Kagan is a distinctive boys' name in United States, ranking #4300 in 2010 with 23 recorded births. The name reached its all-time peak in 2001 with 36 births ranking #2659. Since 1996, the popularity has increased by 43.8%. In 2010, approximately 1 in every 83,409 boys born was named Kagan. FALLING Recent data shows the name is currently falling.