Regan is a distinctive boys' name in United States, ranking #3325 in 2019 with 35 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has decreased by 35.2%. In 2019, approximately 1 in every 51,239 boys born was named Regan. FALLING Recent data shows the name is currently falling.