Brentley is a distinctive boys' name in United States, ranking #5067 in 1999 with 13 recorded births. The name reached its all-time peak in 2014 with 413 births ranking #637. Since 1996, the popularity has increased by 30.0%. In 1999, approximately 1 in every 147,699 boys born was named Brentley. FALLING Recent data shows the name is currently falling.