Reaghan is a distinctive girls' name in United States, ranking #2624 in 2008 with 71 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 317.6%. In 2008, approximately 1 in every 26,630 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.