Rhegan is a distinctive girls' name in United States, ranking #12369 in 1999 with 7 recorded births. The name reached its all-time peak in 2004 with 24 births ranking #5340. Since 1996, the popularity has increased by 16.7%. In 1999, approximately 1 in every 253,397 girls born was named Rhegan. RISING Recent data shows the name is currently rising.