In 2025, 52 US girls were named Addalynn, making it the 3,101st most common girls’ name of the year, down 798 places from #2,303 in 2024. That is 28 fewer than the 80 girls named Addalynn in 2024. Its best rank for girls was #1,155, reached in 2015. That year also had the most girls given the name: 218. For comparison, it was #1,155 in 2015 and unranked in 1950.
Social Security card records list Addalynn in 22 years of the 146 from 1880 to 2025, starting in 2002 with 5 babies. In all, 2,316 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,523 babies named Addalynn.
Over the 10 years from 2016 to 2025, 1,442 US girls were named Addalynn; the busiest of those years was 2016, with 217. In 2025 that was about 1 in 30,909 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Adalynn (34,210 babies since 1880), Adalyn (31,014 babies since 1880), Adelynn (15,023 babies since 1880) and Addilyn (9,862 babies since 1880).