In 2025, 339 US boys were named Dario, making it the 760th most common boys’ name of the year, down 121 places from #639 in 2024. That is 100 fewer than the 439 boys named Dario in 2024. Its best rank for boys was #639, reached in 2024. That year also had the most boys given the name: 439. For comparison, it was #916 in 2015 and #1,371 in 1950.
Social Security card records list Dario in 115 years of the 146 from 1880 to 2025, starting in 1909 with 6 babies. In all, 11,945 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 2,289 babies named Dario.
Over the 10 years from 2016 to 2025, 3,231 US boys were named Dario; the busiest of those years was 2024, with 439. In 2025 that was about 1 in 5,039 of the boys in SSA’s list for the year.
Among the states, Dario ranked highest in New Mexico in 2025, at #377 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Darius (54,278 babies since 1880), Daria (9,068 babies since 1880) and Darry (1,536 babies since 1880). Rarer spellings such as Darya, Darey and Dariah are summarised on this page.