Dyllan is a distinctive boys' name in United States, ranking #6922 in 2024 with 12 recorded births. The name reached its all-time peak in 1999 with 181 births ranking #835. Since 1996, the popularity has decreased by 90.6%. In 2024, approximately 1 in every 142,943 boys born was named Dyllan. FALLING Recent data shows the name is currently falling.