Over the past 110 years, 162 402 girls and 41 boys have been named Molly. The name Molly ranks 223th in the United States among the most common names for girls. For the first time more than ten times newborns were named Molly in 1910. The peak of popularity of the name Molly came in the 1990s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.