In 2025, 28 US boys were named Eian, making it the 3,875th most common boys’ name of the year, up 36 places from #3,911 in 2024. That is 0 more than the 28 boys named Eian in 2024. Its best rank for boys was #1,400, reached in 2012. That year also had the most boys given the name: 119. For comparison, it was #2,090 in 2015 and unranked in 1950.
Social Security card records list Eian in 47 years of the 146 from 1880 to 2025, starting in 1977 with 6 babies. In all, 2,095 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 775 babies named Eian.
Over the 10 years from 2016 to 2025, 419 US boys were named Eian; the busiest of those years was 2021, with 56. In 2025 that was about 1 in 61,003 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Ian (258,479 babies since 1880), Ean (6,562 babies since 1880), Iain (2,911 babies since 1880) and Eoin (1,604 babies since 1880).