Regan is a distinctive boys' name in United States, ranking #1863 in 2002 with 61 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has increased by 13.0%. In 2002, approximately 1 in every 31,827 boys born was named Regan. FALLING Recent data shows the name is currently falling.