In 2025, 94 US girls were named Addelyn, making it the 2,017th most common girls’ name of the year, down 74 places from #1,943 in 2024. That is 8 fewer than the 102 girls named Addelyn in 2024. Its best rank for girls was #1,175, reached in 2015. That year also had the most girls given the name: 214. For comparison, it was #1,175 in 2015 and unranked in 1950.
Social Security card records list Addelyn in 25 years of the 146 from 1880 to 2025, starting in 2001 with 5 babies. In all, 2,709 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,702 babies named Addelyn.
Over the 10 years from 2016 to 2025, 1,361 US girls were named Addelyn; the busiest of those years was 2017, with 208. In 2025 that was about 1 in 17,099 of the girls in SSA’s list for the year.
Among the states, Addelyn ranked highest in Missouri in 2025, at #926 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Adalyn (31,014 babies since 1880), Adelyn (23,618 babies since 1880), Adelynn (15,023 babies since 1880) and Addilyn (9,862 babies since 1880).