Dallan is a distinctive boys' name in United States, ranking #5372 in 2009 with 17 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #3296. Since 1996, the popularity has decreased by 22.7%. In 2009, approximately 1 in every 116,665 boys born was named Dallan. FALLING Recent data shows the name is currently falling.