In 2025, 25 US boys were named Rudolph, making it the 4,231st most common boys’ name of the year, down 787 places from #3,444 in 2024. That is 9 fewer than the 34 boys named Rudolph in 2024. Its best rank for boys was #110, reached in 1927. That year also had the most boys given the name: 1,690. For comparison, it was #2,908 in 2015 and #239 in 1950.
Social Security card records list Rudolph in every one of the 146 years from 1880 to 2025; in 1880 there were 54 babies with the name. In all, 53,638 US babies have been given the name, 0.4% of them girls and 99.6% boys. Its busiest decade was the 1920s, with 12,638 babies named Rudolph.
Over the 10 years from 2016 to 2025, 319 US boys were named Rudolph; the busiest of those years was 2019, with 41. In 2025 that was about 1 in 68,323 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Randolph (49,536 babies since 1880), Rodolfo (33,856 babies since 1880) and Rudolf (2,951 babies since 1880). Rarer spellings such as Rodolph, Rodolphe and Rudolphe are summarised on this page. The open nickname list we use links it to Dolph, Olph, Rolf and Rudy.