Reaghan is a distinctive girls' name in United States, ranking #4696 in 1999 with 24 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 41.2%. In 1999, approximately 1 in every 73,908 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.