In 2025, 20 US boys were named Mathieu, making it the 4,978th most common boys’ name of the year, down 694 places from #4,284 in 2024. That is 5 fewer than the 25 boys named Mathieu in 2024. Its best rank for boys was #1,470, reached in 1998. The most boys given the name in a single year was 77, in 2000. For comparison, it was #2,631 in 2015 and unranked in 1950.
Social Security card records list Mathieu in 64 years of the 146 from 1880 to 2025, starting in 1955 with 6 babies. In all, 2,416 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 638 babies named Mathieu.
Over the 10 years from 2016 to 2025, 350 US boys were named Mathieu; the busiest of those years was 2016, with 55. In 2025 that was about 1 in 85,404 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Matthew (1,659,655 babies since 1880), Mateo (126,778 babies since 1880), Mathew (77,745 babies since 1880) and Matteo (33,499 babies since 1880).