Over the past 110 years, 8 girls and 68 740 boys have been named Leonardo. The name Leonardo ranks 16551th in the United States among the most common names for girls. For the first time more than ten times newborns were named Leonardo in 1992. The peak of popularity of the name Leonardo came in the 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.