In 2025, 3,789 US boys were named Leonardo, making it the 91st most common boys’ name of the year, down 7 places from #84 in 2024. That is 177 fewer than the 3,966 boys named Leonardo in 2024. Its best rank for boys was #75, reached in 2022. The most boys given the name in a single year was 4,427, in 2019. For comparison, it was #103 in 2015 and #842 in 1950.
Social Security card records list Leonardo in 122 years of the 146 from 1880 to 2025, starting in 1885 with 5 babies. In all, 96,207 US babies have been given the name, 0.1% of them girls and 99.8% boys. Its busiest decade was the 2010s, with 35,261 babies named Leonardo.
Over the 10 years from 2016 to 2025, 41,467 US boys were named Leonardo; the busiest of those years was 2019, with 4,427. In 2025 that was about 1 in 451 of the boys in SSA’s list for the year.
Among the states, Leonardo ranked highest in Nevada in 2025, at #31 for boys there. It was in the top 100 in 9 states (counting DC). Related spellings in the SSA files include Leonard (295,746 babies since 1880). Rarer spellings such as Lionardo and Lenardo are summarised on this page.