In 2025, 33 US girls were named Rozlyn, making it the 4,333rd most common girls’ name of the year, down 138 places from #4,195 in 2024. That is 2 fewer than the 35 girls named Rozlyn in 2024. Its best rank for girls was #2,475, reached in 2016. That year also had the most girls given the name: 74. For comparison, it was #3,246 in 2015 and unranked in 1950.
Social Security card records list Rozlyn in 72 years of the 146 from 1880 to 2025, starting in 1942 with 5 babies. In all, 1,483 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 579 babies named Rozlyn.
Over the 10 years from 2016 to 2025, 500 US girls were named Rozlyn; the busiest of those years was 2016, with 74. In 2025 that was about 1 in 48,705 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Roslyn (18,657 babies since 1880).