In 2025, 133 US boys were named Brett, making it the 1,382nd most common boys’ name of the year, down 324 places from #1,058 in 2024. That is 74 fewer than the 207 boys named Brett in 2024. Its best rank for boys was #69, reached in 1986. That year also had the most boys given the name: 4,729. For comparison, it was #745 in 2015 and #449 in 1950.
Social Security card records list Brett in 94 years of the 146 from 1880 to 2025, starting in 1926 with 5 babies. In all, 162,513 US babies have been given the name, 2.1% of them girls and 98% boys. Its busiest decade was the 1980s, with 42,339 babies named Brett.
Over the 10 years from 2016 to 2025, 2,396 US boys were named Brett; the busiest of those years was 2016, with 333. In 2025 that was about 1 in 12,843 of the boys in SSA’s list for the year.
Among the states, Brett ranked highest in Louisiana in 2025, at #677 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Bret (30,051 babies since 1880) and Britt (7,626 babies since 1880). Rarer spellings such as Brit, Brette and Britte are summarised on this page.