Regan is a distinctive boys' name in United States, ranking #3156 in 2018 with 37 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has decreased by 31.5%. In 2018, approximately 1 in every 49,067 boys born was named Regan. FALLING Recent data shows the name is currently falling.