In 2025, 57 US boys were named Ilian, making it the 2,404th most common boys’ name of the year, up 954 places from #3,358 in 2024. That is 22 more than the 35 boys named Ilian in 2024. Its best rank for boys was #2,404, reached in this year, 2025. That year also had the most boys given the name: 57. For comparison, it was #9,956 in 2015 and unranked in 1950.
Fewer than five US girls were named Ilian in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #11,838, reached in 1999. That year also had the most girls given the name: 7. For comparison, it was unranked (under five girls) in 2015 and unranked in 1950.
Social Security card records list Ilian in 28 years of the 146 from 1880 to 2025, starting in 1993 with 5 babies. In all, 365 US babies have been given the name, 12% of them girls and 88% boys. Its busiest decade was the 2020s, with 164 babies named Ilian.
Over the 10 years from 2016 to 2025, 222 US boys were named Ilian; the busiest of those years was 2025, with 57. In 2025 that was about 1 in 29,966 of the boys in SSA’s list for the year.
Among the states, Ilian ranked highest in California in 2025, at #1,538 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Elian (15,380 babies since 1880), Elin (5,204 babies since 1880), Elan (4,331 babies since 1880) and Ilan (3,290 babies since 1880).