In 2025, 354 US boys were named Rudy, making it the 739th most common boys’ name of the year, up 79 places from #818 in 2024. That is 48 more than the 306 boys named Rudy in 2024. Its best rank for boys was #235, reached in 1947. The most boys given the name in a single year was 831, in 1960. For comparison, it was #846 in 2015 and #266 in 1950.
Social Security card records list Rudy in 136 years of the 146 from 1880 to 2025, starting in 1882 with 5 babies. In all, 51,402 US babies have been given the name, 2.3% of them girls and 98% boys. Its busiest decade was the 1950s, with 6,990 babies named Rudy.
Over the 10 years from 2016 to 2025, 2,844 US boys were named Rudy; the busiest of those years was 2025, with 354. In 2025 that was about 1 in 4,825 of the boys in SSA’s list for the year.
Among the states, Rudy ranked highest in Utah in 2025, at #313 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Rudolf (2,951 babies since 1880) and Roddy (2,541 babies since 1880). Rarer spellings such as Rudi, Ruddy and Rudie are summarised on this page.