Dyllan is a distinctive girls' name in United States, ranking #6824 in 1998 with 14 recorded births. The name reached its all-time peak in 2010 with 37 births ranking #4047. Since 1996, the popularity has increased by 75.0%. In 1998, approximately 1 in every 126,206 girls born was named Dyllan. RISING Recent data shows the name is currently rising.