Galen is a distinctive boys' name in United States, ranking #1679 in 2005 with 80 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 44.1%. In 2005, approximately 1 in every 24,964 boys born was named Galen. FALLING Recent data shows the name is currently falling.