Dallen is a distinctive boys' name in United States, ranking #3180 in 1997 with 23 recorded births. This places Dallen in the top 29% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 53 births ranking #2410. Since 1996, the popularity has decreased by 32.4%. In 1997, approximately 1 in every 81,960 boys born was named Dallen. FALLING Recent data shows the name is currently falling.