Over the past 110 years, 17 358 girls have been named Madilyn. The name Madilyn ranks 963th in the United States among the most common names for girls. For the first time more than ten times newborns were named Madilyn in 1991. The peak of popularity of the name Madilyn 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.