In 2025, 7 US boys were named Brien, making it the 9,864th most common boys’ name of the year, up 1,288 places from #11,152 in 2024. That is 1 more than the 6 boys named Brien in 2024. Its best rank for boys was #767, reached in 1963. That year also had the most boys given the name: 99. For comparison, it was #8,134 in 2015 and #1,400 in 1950.
Social Security card records list Brien in 86 years of the 146 from 1880 to 2025, starting in 1925 with 5 babies. In all, 3,593 US babies have been given the name, 0.1% of them girls and 99.8% boys. Its busiest decade was the 1960s, with 846 babies named Brien.
Over the 10 years from 2016 to 2025, 55 US boys were named Brien; the busiest of those years was 2017, with 12. In 2025 that was about 1 in 244,011 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Brian (1,178,298 babies since 1880), Brion (2,896 babies since 1880), Bryan (391,306 babies since 1880) and Brynn (30,211 babies since 1880).