In 2025, 1,222 US girls were named Rosemary, making it the 251st most common girls’ name of the year, up 50 places from #301 in 2024. That is 174 more than the 1,048 girls named Rosemary in 2024. Its best rank for girls was #74, reached in 1946. The most girls given the name in a single year was 4,542, in 1947. For comparison, it was #517 in 2015 and #101 in 1950.
Social Security card records list Rosemary in 144 years of the 146 from 1880 to 2025, starting in 1882 with 9 babies. In all, 163,523 US babies have been given the name, 99.7% of them girls and 0.2% boys. Its busiest decade was the 1940s, with 34,382 babies named Rosemary.
Over the 10 years from 2016 to 2025, 8,591 US girls were named Rosemary; the busiest of those years was 2025, with 1,222. In 2025 that was about 1 in 1,315 of the girls in SSA’s list for the year.
Among the states, Rosemary ranked highest in Alaska in 2025, at #85 for girls there. It was in the top 100 in 1 state (counting DC). Related spellings in the SSA files include Rosemarie (51,459 babies since 1880). Rarer spellings such as Rosamaria, Rosamary and Rosemaria are summarised on this page. The open nickname list we use links it to Marie, Mary, Rose, Rosemarie and Rosey.