Over the past 110 years, 15 829 girls have been named Adelyn. The name Adelyn ranks 1013th in the United States among the most common names for girls. For the first time more than ten times newborns were named Adelyn in 1916. The peak of popularity of the name Adelyn came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.