In 2025, 26 US girls were named Joslynn, making it the 5,034th most common girls’ name of the year, down 705 places from #4,329 in 2024. That is 7 fewer than the 33 girls named Joslynn in 2024. Its best rank for girls was #1,171, reached in 2011. That year also had the most girls given the name: 209. For comparison, it was #1,750 in 2015 and unranked in 1950.
Social Security card records list Joslynn in 54 years of the 146 from 1880 to 2025, starting in 1952 with 6 babies. In all, 3,320 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,350 babies named Joslynn.
Over the 10 years from 2016 to 2025, 603 US girls were named Joslynn; the busiest of those years was 2017, with 102. In 2025 that was about 1 in 61,818 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Joslyn (11,255 babies since 1880), Josslyn (2,171 babies since 1880), Joslin (1,416 babies since 1880) and Jozlyn (1,174 babies since 1880). Rarer spellings such as Jozzlynn, Jozlynne and Josslynne are summarised on this page.