Galen is a distinctive girls' name in United States, ranking #15127 in 2005 with 6 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #5440. Since 1996, the popularity has decreased by 62.5%. In 2005, approximately 1 in every 307,950 girls born was named Galen. FALLING Recent data shows the name is currently falling.