In 2025, 3,362 US girls were named Madelyn, making it the 71st most common girls’ name of the year, down 6 places from #65 in 2024. That is 11 fewer than the 3,373 girls named Madelyn in 2024. Its best rank for girls was #58, reached in 2023. The most girls given the name in a single year was 4,567, in 2008. For comparison, it was #59 in 2015 and #518 in 1950.
Social Security card records list Madelyn in 136 years of the 146 from 1880 to 2025, starting in 1890 with 6 babies. In all, 116,060 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 39,209 babies named Madelyn.
Over the 10 years from 2016 to 2025, 36,526 US girls were named Madelyn; the busiest of those years was 2016, with 4,241. In 2025 that was about 1 in 478 of the girls in SSA’s list for the year.
Among the states, Madelyn ranked highest in New Hampshire in 2025, at #39 for girls there. It was in the top 100 in 30 states (counting DC). Related spellings in the SSA files include Madalyn (23,222 babies since 1880), Madelyne (3,502 babies since 1880), Madlyn (2,377 babies since 1880) and Madeline (207,630 babies since 1880). Rarer spellings such as Madolyn, Madalena and Maddelyn are summarised on this page. The open nickname list we use links it to Maddy and Madie.