Reghan is a distinctive girls' name in United States, ranking #3577 in 2000 with 37 recorded births. The name reached its all-time peak in 2005 with 54 births ranking #2998. Since 1996, the popularity has increased by 27.6%. In 2000, approximately 1 in every 49,080 girls born was named Reghan. FALLING Recent data shows the name is currently falling.