In 2025, 356 US girls were named Marilyn, making it the 761st most common girls’ name of the year, down 96 places from #665 in 2024. That is 80 fewer than the 436 girls named Marilyn in 2024. Its best rank for girls was #13, reached in 1937. The most girls given the name in a single year was 11,881, in 1947. For comparison, it was #426 in 2015 and #37 in 1950.
Social Security card records list Marilyn in 126 years of the 146 from 1880 to 2025, starting in 1899 with 5 babies. In all, 374,857 US babies have been given the name, 99.7% of them girls and 0.3% boys. Its busiest decade was the 1940s, with 99,226 babies named Marilyn.
Over the 10 years from 2016 to 2025, 4,643 US girls were named Marilyn; the busiest of those years was 2016, with 634. In 2025 that was about 1 in 4,515 of the girls in SSA’s list for the year.
Among the states, Marilyn ranked highest in Wisconsin in 2025, at #440 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Marilynn (13,282 babies since 1880), Marlyn (9,112 babies since 1880), Marylin (4,379 babies since 1880) and Marylyn (3,336 babies since 1880). Rarer spellings such as Marylynn, Maralyn and Marilynne are summarised on this page. The open nickname list we use links it to Mary.
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.