Galen is a distinctive boys' name in United States, ranking #1361 in 2001 with 94 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 34.3%. In 2001, approximately 1 in every 20,668 boys born was named Galen. FALLING Recent data shows the name is currently falling.