Dallan is a distinctive boys' name in United States, ranking #8293 in 2017 with 9 recorded births. The name reached its all-time peak in 2008 with 34 births ranking #3296. Since 1996, the popularity has decreased by 59.1%. In 2017, approximately 1 in every 205,591 boys born was named Dallan. FALLING Recent data shows the name is currently falling.