In 2025, 3,924 US boys were named Ian, making it the 83rd most common boys’ name of the year, down 8 places from #75 in 2024. That is 636 fewer than the 4,560 boys named Ian in 2024. Its best rank for boys was #65, reached in 2003. The most boys given the name in a single year was 6,688, in 2005. For comparison, it was #76 in 2015 and #622 in 1950.
Social Security card records list Ian in 114 years of the 146 from 1880 to 2025, starting in 1912 with 6 babies. In all, 258,479 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 2000s, with 62,046 babies named Ian.
Over the 10 years from 2016 to 2025, 45,482 US boys were named Ian; the busiest of those years was 2016, with 5,079. In 2025 that was about 1 in 435 of the boys in SSA’s list for the year.
Among the states, Ian ranked highest in New Jersey in 2025, at #50 for boys there. It was in the top 100 in 21 states (counting DC). 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 Iann, Eion and Euan are summarised on this page. The open nickname list we use links it to John.