In 2025, 89 US girls were named Rosario, making it the 2,114th most common girls’ name of the year, up 603 places from #2,717 in 2024. That is 25 more than the 64 girls named Rosario in 2024. Its best rank for girls was #742, reached in 1953. The most girls given the name in a single year was 175, in 1993. For comparison, it was #2,615 in 2015 and #811 in 1950.
In 2025, 19 US boys were named Rosario, making it the 5,161st most common boys’ name of the year, down 137 places from #5,024 in 2024. That is 1 fewer than the 20 boys named Rosario in 2024. Its best rank for boys was #487, reached in 1917. That year also had the most boys given the name: 140. For comparison, it was #4,859 in 2015 and #1,252 in 1950.
Social Security card records list Rosario in 127 years of the 146 from 1880 to 2025, starting in 1896 with 5 babies. In all, 16,585 US babies have been given the name, 66% of them girls and 34% boys. Its busiest decade was the 1990s, with 1,902 babies named Rosario.
Over the 10 years from 2016 to 2025, 747 US girls were named Rosario; the busiest of those years was 2025, with 89. In 2025 that was about 1 in 18,059 of the girls in SSA’s list for the year.
Among the states, Rosario ranked highest in Washington in 2025, at #1,215 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Rosaria (2,551 babies since 1880). Rarer spellings such as Rosary, Rosarie and Roser are summarised on this page.