In 2025, 344 US boys were named Matheo, making it the 751st most common boys’ name of the year, up 100 places from #851 in 2024. That is 58 more than the 286 boys named Matheo in 2024. Its best rank for boys was #751, reached in this year, 2025. That year also had the most boys given the name: 344. For comparison, it was #1,528 in 2015 and unranked in 1950.
Social Security card records list Matheo in 28 years of the 146 from 1880 to 2025, starting in 1996 with 5 babies. In all, 2,451 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 1,376 babies named Matheo.
Over the 10 years from 2016 to 2025, 1,941 US boys were named Matheo; the busiest of those years was 2025, with 344. In 2025 that was about 1 in 4,965 of the boys in SSA’s list for the year.
Among the states, Matheo ranked highest in Florida in 2025, at #377 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Mateo (126,778 babies since 1880), Matteo (33,499 babies since 1880), Mathieu (2,416 babies since 1880) and Mattea (1,859 babies since 1880). Rarer spellings such as Matheau are summarised on this page.