Galen is a distinctive boys' name in United States, ranking #1112 in 1997 with 114 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 20.3%. In 1997, approximately 1 in every 16,536 boys born was named Galen. FALLING Recent data shows the name is currently falling.