Regan is a distinctive girls' name in United States, ranking #2295 in 2025 with 80 recorded births. The name reached its all-time peak in 2001 with 747 births ranking #391. Since 1996, the popularity has decreased by 83.6%. In 2025, approximately 1 in every 20,091 girls born was named Regan. STABLE Recent data shows the name is currently stable.