Over the past 110 years, 323 312 girls and 896 boys have been named Ruby. The name Ruby ranks 109th in the United States among the most common names for girls. For the first time more than ten times newborns were named Ruby in 1910. The peak of popularity of the name Ruby 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.