Rhegan is a distinctive girls' name in United States, ranking #6484 in 2005 with 19 recorded births. The name reached its all-time peak in 2004 with 24 births ranking #5340. Since 1996, the popularity has increased by 216.7%. In 2005, approximately 1 in every 97,247 girls born was named Rhegan. RISING Recent data shows the name is currently rising.