Brentley is a distinctive boys' name in United States, ranking #2009 in 2025 with 75 recorded births. The name reached its all-time peak in 2014 with 413 births ranking #637. Since 1996, the popularity has increased by 650.0%. In 2025, approximately 1 in every 22,774 boys born was named Brentley. FALLING Recent data shows the name is currently falling.