Regan is a distinctive boys' name in United States, ranking #5559 in 2025 with 17 recorded births. The name reached its all-time peak in 2007 with 81 births ranking #1809. Since 1996, the popularity has decreased by 68.5%. In 2025, approximately 1 in every 100,475 boys born was named Regan. FALLING Recent data shows the name is currently falling.