Over the past 110 years, 5 girls and 10 679 boys have been named Galen. The name Galen ranks 18727th in the United States among the most common names for girls. For the first time more than ten times newborns were named Galen in 1997. The peak of popularity of the name Galen came in the 1990s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.