Over the past 110 years, 13 211 girls have been named Roslyn. The name Roslyn ranks 1117th in the United States among the most common names for girls. For the first time more than ten times newborns were named Roslyn in 1910. The peak of popularity of the name Roslyn came in the 1920s and 1950s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.