Galen is a distinctive boys' name in United States, ranking #2329 in 2018 with 57 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 60.1%. In 2018, approximately 1 in every 31,850 boys born was named Galen. FALLING Recent data shows the name is currently falling.