In 2025, 92 US boys were named Mamadou, making it the 1,760th most common boys’ name of the year, down 143 places from #1,617 in 2024. That is 14 fewer than the 106 boys named Mamadou in 2024. Its best rank for boys was #1,543, reached in 2003. The most boys given the name in a single year was 106, in 2024. For comparison, it was #2,179 in 2015 and unranked in 1950.
Social Security card records list Mamadou in 36 years of the 146 from 1880 to 2025, starting in 1990 with 7 babies. In all, 1,924 US babies have been given the name, all of them boys. Its busiest decade was the 2000s, with 654 babies named Mamadou.
Over the 10 years from 2016 to 2025, 704 US boys were named Mamadou; the busiest of those years was 2024, with 106. In 2025 that was about 1 in 18,566 of the boys in SSA’s list for the year.
Among the states, Mamadou ranked highest in New York in 2025, at #390 for boys there. It was not in the top 100 of any state. Rarer spellings such as Mahamadou, Mamoudou and Mamadu are summarised on this page.