Over the past 110 years, 10 505 girls have been named Karyn. The name Karyn ranks 1269th in the United States among the most common names for girls. For the first time more than ten times newborns were named Karyn in 1939. The peak of popularity of the name Karyn 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.