Reaghan is a distinctive girls' name in United States, ranking #3689 in 2001 with 36 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 111.8%. In 2001, approximately 1 in every 50,016 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.