In 2025, 2,351 US boys were named Diego, making it the 158th most common boys’ name of the year, down 13 places from #145 in 2024. That is 160 fewer than the 2,511 boys named Diego in 2024. Its best rank for boys was #56, reached in 2006. That year also had the most boys given the name: 8,403. For comparison, it was #125 in 2015 and #1,297 in 1950.
Social Security card records list Diego in 118 years of the 146 from 1880 to 2025, starting in 1887 with 5 babies. In all, 126,405 US babies have been given the name, 0.2% of them girls and 99.8% boys. Its busiest decade was the 2000s, with 56,156 babies named Diego.
Over the 10 years from 2016 to 2025, 28,591 US boys were named Diego; the busiest of those years was 2016, with 3,201. In 2025 that was about 1 in 727 of the boys in SSA’s list for the year.
Among the states, Diego ranked highest in New Mexico in 2025, at #35 for boys there. It was in the top 100 in 4 states (counting DC). Related spellings in the SSA files include James (5,274,520 babies since 1880), Jacob (990,532 babies since 1880), Jim (153,938 babies since 1880) and Santiago (103,965 babies since 1880). Rarer spellings such as Deigo, Deago and Dyego are summarised on this page.