Regan is a distinctive girls' name in United States, ranking #1024 in 2015 with 262 recorded births. The name reached its all-time peak in 2001 with 747 births ranking #391. Since 1996, the popularity has decreased by 46.2%. In 2015, approximately 1 in every 6,812 girls born was named Regan. STABLE Recent data shows the name is currently stable.