In 2025, 3,636 US boys were named Eithan, making it the 97th most common boys’ name of the year, up 129 places from #226 in 2024. That is 2,037 more than the 1,599 boys named Eithan in 2024. Its best rank for boys was #97, reached in this year, 2025. That year also had the most boys given the name: 3,636. For comparison, it was #1,603 in 2015 and unranked in 1950.
Social Security card records list Eithan in 34 years of the 146 from 1880 to 2025, starting in 1989 with 7 babies. In all, 8,754 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 7,255 babies named Eithan.
Over the 10 years from 2016 to 2025, 7,932 US boys were named Eithan; the busiest of those years was 2025, with 3,636. In 2025 that was about 1 in 470 of the boys in SSA’s list for the year.
Among the states, Eithan ranked highest in Tennessee in 2025, at #50 for boys there. It was in the top 100 in 19 states (counting DC). Related spellings in the SSA files include Ethan (488,144 babies since 1880), Ethen (3,858 babies since 1880), Eitan (2,844 babies since 1880) and Ethyn (1,541 babies since 1880). Rarer spellings such as Ehitan are summarised on this page.