In 2025, 616 US boys were named Sean, making it the 489th most common boys’ name of the year, down 54 places from #435 in 2024. That is 114 fewer than the 730 boys named Sean in 2024. Its best rank for boys was #33, reached in 1972. The most boys given the name in a single year was 12,018, in 1990. For comparison, it was #210 in 2015 and #536 in 1950.
Social Security card records list Sean in 97 years of the 146 from 1880 to 2025, starting in 1925 with 7 babies. In all, 426,606 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 1980s, with 104,680 babies named Sean.
Over the 10 years from 2016 to 2025, 10,371 US boys were named Sean; the busiest of those years was 2016, with 1,671. In 2025 that was about 1 in 2,773 of the boys in SSA’s list for the year.
Among the states, Sean ranked highest in District of Columbia in 2025, at #199 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include John (5,204,377 babies since 1880), Jack (759,677 babies since 1880), Joan (488,939 babies since 1880) and Jean (483,475 babies since 1880). Rarer spellings such as Sian, Sion and Seann are summarised on this page.