In 2025, 41 US boys were named Oswaldo, making it the 3,027th most common boys’ name of the year, down 82 places from #2,945 in 2024. That is 2 fewer than the 43 boys named Oswaldo in 2024. Its best rank for boys was #549, reached in 2006. That year also had the most boys given the name: 461. For comparison, it was #2,159 in 2015 and #4,058 in 1950.
Social Security card records list Oswaldo in 90 years of the 146 from 1880 to 2025, starting in 1915 with 8 babies. In all, 5,902 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 2,454 babies named Oswaldo.
Over the 10 years from 2016 to 2025, 472 US boys were named Oswaldo; the busiest of those years was 2016, with 57. In 2025 that was about 1 in 41,660 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Osvaldo (14,538 babies since 1880) and Oswald (4,407 babies since 1880).