Over the past 110 years, 44 girls and 94 529 boys have been named Karl. The name Karl ranks 10836th in the United States among the most common names for girls. For the first time more than ten times newborns were named Karl in 1960. The peak of popularity of the name Karl came in the 1960s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.