Brentley is a distinctive girls' name in United States, ranking #12296 in 1997 with 6 recorded births. The name reached its all-time peak in 2012 with 23 births ranking #5740. Since 1996, the popularity has increased by 20.0%. In 1997, approximately 1 in every 290,110 girls born was named Brentley. FALLING Recent data shows the name is currently falling.