Brentley is a distinctive boys' name in United States, ranking #6313 in 2003 with 11 recorded births. This places Brentley in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 413 births ranking #637. In 2003, approximately 1 in every 179,570 boys born was named Brentley. FALLING Recent data shows the name is currently falling.