Brentley is a distinctive girls' name in United States, ranking #8361 in 2017 with 13 recorded births. The name reached its all-time peak in 2012 with 23 births ranking #5740. Since 1996, the popularity has increased by 160.0%. In 2017, approximately 1 in every 132,760 girls born was named Brentley. FALLING Recent data shows the name is currently falling.