Reaghan is a distinctive girls' name in United States, ranking #3337 in 2003 with 44 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 158.8%. In 2003, approximately 1 in every 41,524 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.