Galen is a distinctive boys' name in United States, ranking #1303 in 2002 with 103 recorded births. The name reached its all-time peak in 1996 with 143 births ranking #917. Since 1996, the popularity has decreased by 28.0%. In 2002, approximately 1 in every 18,849 boys born was named Galen. FALLING Recent data shows the name is currently falling.