Dallyn is a distinctive boys' name in United States, ranking #6507 in 2009 with 13 recorded births. The name reached its all-time peak in 2003 with 17 births ranking #4646. Since 1996, the popularity has increased by 160.0%. In 2009, approximately 1 in every 152,562 boys born was named Dallyn. RISING Recent data shows the name is currently rising.