Over the past 110 years, 10 294 boys and 3 105 girls have been named Monroe. The name Monroe ranks 958th in the United States among the most common names for boys. For the first time more than ten times newborns were named Monroe in 1910. The peak of popularity of the name Monroe 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.