In 2025, 146 US girls were named Roselynn, making it the 1,476th most common girls’ name of the year, up 47 places from #1,523 in 2024. That is 4 more than the 142 girls named Roselynn in 2024. Its best rank for girls was #1,191, reached in 2019. That year also had the most girls given the name: 198. For comparison, it was #1,932 in 2015 and #3,626 in 1950.
Social Security card records list Roselynn in 81 years of the 146 from 1880 to 2025, starting in 1936 with 6 babies. In all, 2,985 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,169 babies named Roselynn.
Over the 10 years from 2016 to 2025, 1,539 US girls were named Roselynn; the busiest of those years was 2019, with 198. In 2025 that was about 1 in 11,009 of the girls in SSA’s list for the year.
Among the states, Roselynn ranked highest in Nebraska in 2025, at #463 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Rosalyn (23,278 babies since 1880), Roselyn (14,556 babies since 1880) and Rosalynn (3,533 babies since 1880).