Brentley is a distinctive boys' name in United States, ranking #1254 in 2021 with 152 recorded births. The name reached its all-time peak in 2014 with 413 births ranking #637. Since 1996, the popularity has increased by 1,420.0%. In 2021, approximately 1 in every 11,502 boys born was named Brentley. FALLING Recent data shows the name is currently falling.