Regan is a distinctive girls' name in United States, ranking #1491 in 2019 with 147 recorded births. The name reached its all-time peak in 2001 with 747 births ranking #391. Since 1996, the popularity has decreased by 69.8%. In 2019, approximately 1 in every 11,412 girls born was named Regan. STABLE Recent data shows the name is currently stable.