Rhea is a distinctive girls' name in United States, ranking #615 in 2021 with 484 recorded births. The name reached its all-time peak in 2023 with 577 births ranking #526. Since 1996, the popularity has increased by 483.1%. In 2021, approximately 1 in every 3,388 girls born was named Rhea. STABLE Recent data shows the name is currently stable.