Rey is a distinctive boys' name in United States, ranking #764 in 2021 with 328 recorded births. This places Rey in the top 5% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2021 with 328 births ranking #764. Since 1996, the popularity has increased by 175.6%. In 2021, approximately 1 in every 5,330 boys born was named Rey. FALLING Recent data shows the name is currently falling.