Rheagan is a distinctive girls' name in United States, ranking #7237 in 2014 with 17 recorded births. The name reached its all-time peak in 2004 with 31 births ranking #4465. Since 1996, the popularity has increased by 54.5%. In 2014, approximately 1 in every 105,055 girls born was named Rheagan. FALLING Recent data shows the name is currently falling.