In 2025, 75 US boys were named Brentley, making it the 2,009th most common boys’ name of the year, down 230 places from #1,779 in 2024. That is 17 fewer than the 92 boys named Brentley in 2024. Its best rank for boys was #637, reached in 2014. That year also had the most boys given the name: 413. For comparison, it was #642 in 2015 and unranked in 1950.
In 2025, 10 US girls were named Brentley, making it the 9,558th most common girls’ name of the year, up 116 places from #9,674 in 2024. That is 0 more than the 10 girls named Brentley in 2024. Its best rank for girls was #5,650, reached in 2014. That year also had the most girls given the name: 23. For comparison, it was #9,046 in 2015 and unranked in 1950.
Social Security card records list Brentley in 69 years of the 146 from 1880 to 2025, starting in 1957 with 5 babies. In all, 4,548 US babies have been given the name, 6.7% of them girls and 93% boys. Its busiest decade was the 2010s, with 2,947 babies named Brentley.
Over the 10 years from 2016 to 2025, 1,813 US boys were named Brentley; the busiest of those years was 2016, with 326. In 2025 that was about 1 in 22,774 of the boys in SSA’s list for the year.
Among the states, Brentley ranked highest in Kentucky in 2025, at #724 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Brent (140,366 babies since 1880), Brantley (32,435 babies since 1880), Brently (1,442 babies since 1880) and Brentlee (964 babies since 1880).