Over the past 110 years, 385 girls and 22 173 boys have been named Louie. The name Louie ranks 5382th in the United States among the most common names for girls. For the first time more than ten times newborns were named Louie in 1910. The peak of popularity of the name Louie 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.