Over the past 110 years, 3 743 561 girls and 9 642 boys have been named Mary. The name Mary ranks 1th in the United States among the most common names for girls. For the first time more than ten times newborns were named Mary in 1910. The peak of popularity of the name Mary came in the 1910s and 1920s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.