Reaghan is a distinctive girls' name in United States, ranking #3970 in 2015 with 38 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #2624. Since 1996, the popularity has increased by 123.5%. In 2015, approximately 1 in every 46,965 girls born was named Reaghan. FALLING Recent data shows the name is currently falling.