Brentley is a distinctive boys' name in United States, ranking #955 in 2019 with 224 recorded births. The name reached its all-time peak in 2014 with 413 births ranking #637. Since 1996, the popularity has increased by 2,140.0%. In 2019, approximately 1 in every 8,006 boys born was named Brentley. FALLING Recent data shows the name is currently falling.