Rheagan is a distinctive girls' name in United States, ranking #8871 in 2021 with 12 recorded births. This places Rheagan in the bottom 50% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 31 births ranking #4465. In 2021, approximately 1 in every 136,643 girls born was named Rheagan. FALLING Recent data shows the name is currently falling.