Regan is a distinctive boys' name in United States, ranking #3795 in 2021 with 29 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has decreased by 46.3%. In 2021, approximately 1 in every 60,284 boys born was named Regan. FALLING Recent data shows the name is currently falling.