Dyllan is a distinctive boys' name in United States, ranking #1063 in 2003 with 146 recorded births. The name reached its all-time peak in 1999 with 181 births ranking #835. Since 1996, the popularity has increased by 14.1%. In 2003, approximately 1 in every 13,529 boys born was named Dyllan. FALLING Recent data shows the name is currently falling.