Reaghan is a distinctive girls' name in United States, ranking #2663 in 2005 with 64 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 276.5%. In 2005, approximately 1 in every 28,870 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.