In 2025, 436 US boys were named Julio, making it the 641st most common boys’ name of the year, down 41 places from #600 in 2024. That is 39 fewer than the 475 boys named Julio in 2024. Its best rank for boys was #194, reached in 1990. That year also had the most boys given the name: 1,556. For comparison, it was #458 in 2015 and #483 in 1950.
Social Security card records list Julio in 125 years of the 146 from 1880 to 2025, starting in 1888 with 6 babies. In all, 64,197 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 1990s, with 13,941 babies named Julio.
Over the 10 years from 2016 to 2025, 5,228 US boys were named Julio; the busiest of those years was 2016, with 626. In 2025 that was about 1 in 3,918 of the boys in SSA’s list for the year.
Among the states, Julio ranked highest in New Mexico in 2025, at #253 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Julian (268,291 babies since 1880), Julius (85,038 babies since 1880), Jules (11,467 babies since 1880) and Juli (6,351 babies since 1880). Rarer spellings such as Guilio are summarised on this page.