Regan is a distinctive boys' name in United States, ranking #1963 in 2008 with 73 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has increased by 35.2%. In 2008, approximately 1 in every 27,944 boys born was named Regan. FALLING Recent data shows the name is currently falling.