Keagen is a distinctive boys' name in United States, ranking #2388 in 2011 with 53 recorded births. The name reached its all-time peak in 2008 with 90 births ranking #1697. Since 1996, the popularity has increased by 381.8%. In 2011, approximately 1 in every 35,830 boys born was named Keagen. FALLING Recent data shows the name is currently falling.