Rhegan is a distinctive girls' name in United States, ranking #8534 in 2011 with 14 recorded births. The name reached its all-time peak in 2004 with 24 births ranking #5340. Since 1996, the popularity has increased by 133.3%. In 2011, approximately 1 in every 125,629 girls born was named Rhegan. RISING Recent data shows the name is currently rising.