Regan is a distinctive girls' name in United States, ranking #1255 in 2017 with 189 recorded births. The name reached its all-time peak in 2001 with 747 births ranking #391. Since 1996, the popularity has decreased by 61.2%. In 2017, approximately 1 in every 9,132 girls born was named Regan. STABLE Recent data shows the name is currently stable.