Over the past 110 years, 5 girls and 36 296 boys have been named Junior. The name Junior ranks 20208th in the United States among the most common names for girls. For the first time more than ten times newborns were named Junior in 1927. The peak of popularity of the name Junior came in the 1920s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.