In 2025, 315 US girls were named Madilynn, making it the 860th most common girls’ name of the year, down 76 places from #784 in 2024. That is 44 fewer than the 359 girls named Madilynn in 2024. Its best rank for girls was #479, reached in 2014. That year also had the most girls given the name: 656. For comparison, it was #499 in 2015 and unranked in 1950.
Social Security card records list Madilynn in 38 years of the 146 from 1880 to 2025, starting in 1987 with 8 babies. In all, 11,432 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 5,733 babies named Madilynn.
Over the 10 years from 2016 to 2025, 5,067 US girls were named Madilynn; the busiest of those years was 2020, with 600. In 2025 that was about 1 in 5,102 of the girls in SSA’s list for the year.
Among the states, Madilynn ranked highest in West Virginia in 2025, at #258 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Madelyn (116,060 babies since 1880), Madilyn (23,632 babies since 1880), Madalyn (23,222 babies since 1880) and Madelynn (18,937 babies since 1880).