Dalen is a distinctive boys' name in United States, ranking #1501 in 2000 with 81 recorded births. The name reached its all-time peak in 2001 with 99 births ranking #1316. Since 1996, the popularity has increased by 92.9%. In 2000, approximately 1 in every 24,246 boys born was named Dalen. FALLING Recent data shows the name is currently falling.