In 2025, 21 US boys were named Erasmo, making it the 4,756th most common boys’ name of the year, up 1,523 places from #6,279 in 2024. That is 7 more than the 14 boys named Erasmo in 2024. Its best rank for boys was #930, reached in 1951. The most boys given the name in a single year was 73, in 1991. For comparison, it was #4,436 in 2015 and #1,054 in 1950.
Social Security card records list Erasmo in 114 years of the 146 from 1880 to 2025, starting in 1910 with 5 babies. In all, 3,939 US babies have been given the name, all of them boys. Its busiest decade was the 1990s, with 553 babies named Erasmo.
Over the 10 years from 2016 to 2025, 197 US boys were named Erasmo; the busiest of those years was 2022, with 27. In 2025 that was about 1 in 81,337 of the boys in SSA’s list for the year.
Rarer spellings such as Rasmus and Erasmus are summarised on this page.