Masculine dossier · first seen 1986
Dyllan
Stable Decline
Gradual decline from 1999
Peak era
1999
Peak births
181
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Dyllan
How many people are named Dyllan?
An estimated 3,243 living Americans are named Dyllan.
How rare is Dyllan?
Dyllan is very rare among babies today, with 11 boys receiving the name in 2025, down 93.9% from its 1999 peak.
How old is the typical Dyllan?
The median age of a living American named Dyllan is approximately 24 years, with most bearers falling between 17 and 29 years old.
Is Dyllan still popular?
Not especially. Dyllan has been declining since its 1999 peak and registered 11 births in 2025.
1986Peak 19992025
Peak year
1999
Decline from peak
93.9%
2025
11
All-time
3,302