Over the past 110 years, 482 girls and 133 033 boys have been named Alejandro. The name Alejandro ranks 4981th in the United States among the most common names for girls. For the first time more than ten times newborns were named Alejandro in 1974. The peak of popularity of the name Alejandro came in the 1980s and 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.