Rhegan is a distinctive girls' name in United States, ranking #8149 in 2006 with 15 recorded births. The name reached its all-time peak in 2004 with 24 births ranking #5340. Since 1996, the popularity has increased by 150.0%. In 2006, approximately 1 in every 126,738 girls born was named Rhegan. RISING Recent data shows the name is currently rising.