In 2025, 337 US boys were named Santos, making it the 766th most common boys’ name of the year, up 70 places from #836 in 2024. That is 40 more than the 297 boys named Santos in 2024. Its best rank for boys was #539, reached in 1944. The most boys given the name in a single year was 337, in 2025. For comparison, it was #914 in 2015 and #619 in 1950.
Fewer than five US girls were named Santos in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #742, reached in 1924. That year also had the most girls given the name: 100. For comparison, it was unranked (under five girls) in 2015 and #1,759 in 1950.
Social Security card records list Santos in 136 years of the 146 from 1880 to 2025, starting in 1880 with 5 babies. In all, 21,573 US babies have been given the name, 13% of them girls and 87% boys. Its busiest decade was the 2000s, with 2,667 babies named Santos.
Over the 10 years from 2016 to 2025, 2,591 US boys were named Santos; the busiest of those years was 2025, with 337. In 2025 that was about 1 in 5,068 of the boys in SSA’s list for the year.
Among the states, Santos ranked highest in New Mexico in 2025, at #211 for boys there. It was not in the top 100 of any state. Rarer spellings such as Santosh, Santez and Santhosh are summarised on this page.