Rees is a distinctive boys' name in United States, ranking #6368 in 2025 with 14 recorded births. This places Rees in the top 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 36 births ranking #2610. Since 1996, the popularity has decreased by 22.2%. In 2025, approximately 1 in every 122,005 boys born was named Rees. RISING Recent data shows the name is currently rising.