Over the past 110 years, 24 557 girls have been named Karin. The name Karin ranks 807th in the United States among the most common names for girls. For the first time more than ten times newborns were named Karin in 1918. The peak of popularity of the name Karin came in the 1960s and 1970s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.