Galen is a distinctive girls' name in United States, ranking #5877 in 1996 with 16 recorded births. This places Galen in the top 37% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 19 births ranking #5440. In 1996, approximately 1 in every 109,560 girls born was named Galen. FALLING Recent data shows the name is currently falling.