In 2025, 357 US boys were named Mylo, making it the 737th most common boys’ name of the year, down 95 places from #642 in 2024. That is 80 fewer than the 437 boys named Mylo in 2024. Its best rank for boys was #642, reached in 2024. That year also had the most boys given the name: 437. For comparison, it was #1,797 in 2015 and #3,233 in 1950.
Social Security card records list Mylo in 56 years of the 146 from 1880 to 2025, starting in 1919 with 6 babies. In all, 3,721 US babies have been given the name, 4.2% of them girls and 96% boys. Its busiest decade was the 2020s, with 2,289 babies named Mylo.
Over the 10 years from 2016 to 2025, 2,828 US boys were named Mylo; the busiest of those years was 2024, with 437. In 2025 that was about 1 in 4,785 of the boys in SSA’s list for the year.
Among the states, Mylo ranked highest in Maryland in 2025, at #463 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Milo (44,313 babies since 1880).