Kagan is a distinctive boys' name in United States, ranking #4198 in 2008 with 24 recorded births. The name reached its all-time peak in 2001 with 36 births ranking #2659. Since 1996, the popularity has increased by 50.0%. In 2008, approximately 1 in every 84,998 boys born was named Kagan. FALLING Recent data shows the name is currently falling.