Over the past 110 years, 10 boys and 46 098 girls have been named Jaclyn. The name Jaclyn ranks 10647th in the United States among the most common names for boys. For the first time more than ten times newborns were named Jaclyn in 1979. The peak of popularity of the name Jaclyn came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.