Brentley is a distinctive girls' name in United States, ranking #6955 in 2016 with 17 recorded births. This places Brentley in the top 37% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 23 births ranking #5740. Since 1996, the popularity has increased by 240.0%. In 2016, approximately 1 in every 104,205 girls born was named Brentley. FALLING Recent data shows the name is currently falling.