Galen is a distinctive boys' name in United States, ranking #2338 in 2012 with 55 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 61.5%. In 2012, approximately 1 in every 34,484 boys born was named Galen. FALLING Recent data shows the name is currently falling.