Regan is a distinctive girls' name in United States, ranking #933 in 2011 with 277 recorded births. The name reached its all-time peak in 2001 with 747 births ranking #391. Since 1996, the popularity has decreased by 43.1%. In 2011, approximately 1 in every 6,349 girls born was named Regan. STABLE Recent data shows the name is currently stable.