In 2025, 437 US girls were named Eileen, making it the 654th most common girls’ name of the year, down 62 places from #592 in 2024. That is 74 fewer than the 511 girls named Eileen in 2024. Its best rank for girls was #68, reached in 1943. The most girls given the name in a single year was 4,251, in 1947. For comparison, it was #698 in 2015 and #91 in 1950.
Social Security card records list Eileen in 143 years of the 146 from 1880 to 2025, starting in 1882 with 6 babies. In all, 190,020 US babies have been given the name, 99.7% of them girls and 0.2% boys. Its busiest decade was the 1950s, with 36,648 babies named Eileen.
Over the 10 years from 2016 to 2025, 4,372 US girls were named Eileen; the busiest of those years was 2024, with 511. In 2025 that was about 1 in 3,678 of the girls in SSA’s list for the year.
Among the states, Eileen ranked highest in Massachusetts in 2025, at #360 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Aileen (37,642 babies since 1880), Avelina (1,804 babies since 1880) and Ellen (276,029 babies since 1880). Rarer spellings such as Ilean, Eileene and Ileene are summarised on this page. The open nickname list we use links it to Helen.
Meaning
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Dutch and English. That is where the name is used, not necessarily where it comes from.