Over the past 110 years, 41 boys and 162 402 girls have been named Molly. The name Molly ranks 7419th in the United States among the most common names for boys. For the first time more than ten times newborns were named Molly in 1988. The peak of popularity of the name Molly came in the 1980s and 2000s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.