In 2025, 129 US girls were named Rosalynn, making it the 1,621st most common girls’ name of the year, down 118 places from #1,503 in 2024. That is 16 fewer than the 145 girls named Rosalynn in 2024. Its best rank for girls was #1,298, reached in 2020. That year also had the most girls given the name: 171. For comparison, it was #1,598 in 2015 and #2,880 in 1950.
Social Security card records list Rosalynn in 87 years of the 146 from 1880 to 2025, starting in 1935 with 6 babies. In all, 3,533 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,143 babies named Rosalynn.
Over the 10 years from 2016 to 2025, 1,388 US girls were named Rosalynn; the busiest of those years was 2020, with 171. In 2025 that was about 1 in 12,459 of the girls in SSA’s list for the year.
Among the states, Rosalynn ranked highest in Mississippi in 2025, at #617 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), Rosaline (3,984 babies since 1880) and Roselynn (2,985 babies since 1880).