Reaghan is a distinctive girls' name in United States, ranking #3733 in 2010 with 42 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 147.1%. In 2010, approximately 1 in every 42,317 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.