Over the past 110 years, 74 647 boys and 195 girls have been named Sergio. The name Sergio ranks 343th in the United States among the most common names for boys. For the first time more than ten times newborns were named Sergio in 1918. The peak of popularity of the name Sergio came in the 1990s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.