In 2025, 121 US boys were named Rodolfo, making it the 1,474th most common boys’ name of the year, down 18 places from #1,456 in 2024. That is 4 fewer than the 125 boys named Rodolfo in 2024. Its best rank for boys was #311, reached in 1981. That year also had the most boys given the name: 610. For comparison, it was #931 in 2015 and #414 in 1950.
Social Security card records list Rodolfo in 122 years of the 146 from 1880 to 2025, starting in 1902 with 5 babies. In all, 33,856 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 1990s, with 5,685 babies named Rodolfo.
Over the 10 years from 2016 to 2025, 1,500 US boys were named Rodolfo; the busiest of those years was 2016, with 195. In 2025 that was about 1 in 14,116 of the boys in SSA’s list for the year.
Among the states, Rodolfo ranked highest in Texas in 2025, at #690 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Rudolph (53,638 babies since 1880), Rudolf (2,951 babies since 1880) and Rudolfo (2,263 babies since 1880). Rarer spellings such as Rodolpho are summarised on this page.