Galen is a distinctive girls' name in United States, ranking #12869 in 2003 with 7 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #5440. Since 1996, the popularity has decreased by 56.3%. In 2003, approximately 1 in every 261,007 girls born was named Galen. FALLING Recent data shows the name is currently falling.