Galen is a distinctive girls' name in United States, ranking #9745 in 2002 with 10 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #5440. Since 1996, the popularity has decreased by 37.5%. In 2002, approximately 1 in every 179,682 girls born was named Galen. FALLING Recent data shows the name is currently falling.