In 2025, 86 US girls were named Harlynn, making it the 2,161st most common girls’ name of the year, down 520 places from #1,641 in 2024. That is 40 fewer than the 126 girls named Harlynn in 2024. Its best rank for girls was #1,393, reached in 2017. That year also had the most girls given the name: 165. For comparison, it was #2,693 in 2015 and unranked in 1950.
Social Security card records list Harlynn in 19 years of the 146 from 1880 to 2025, starting in 2006 with 6 babies. In all, 1,310 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 687 babies named Harlynn.
Over the 10 years from 2016 to 2025, 1,064 US girls were named Harlynn; the busiest of those years was 2017, with 165. In 2025 that was about 1 in 18,689 of the girls in SSA’s list for the year.
Among the states, Harlynn ranked highest in Georgia in 2025, at #1,019 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Harlan (26,980 babies since 1880), Harlen (3,520 babies since 1880), Harlyn (2,265 babies since 1880) and Harleen (1,480 babies since 1880). Rarer spellings such as Harleyann are summarised on this page.