Kagan is a distinctive boys' name in United States, ranking #5157 in 2014 with 18 recorded births. The name reached its all-time peak in 2001 with 36 births ranking #2659. Since 1996, the popularity has increased by 12.5%. In 2014, approximately 1 in every 106,691 boys born was named Kagan. FALLING Recent data shows the name is currently falling.