StableCross-generational persistence#139 boys’ name in 2025
Peak era
2019
Peak births
3,971
Current vitality
Healthy
Peak generation
Gen Alpha
1951Peak 20192025
Quick answers about Declan
How many people are named Declan?
An estimated 57,973 living Americans are named Declan.
How rare is Declan?
Declan is moderately uncommon among babies today, with 2,570 boys receiving the name in 2025, down 35.3% from its 2019 peak. It was the #139 boys’ name in 2025.
How old is the typical Declan?
The median age of a living American named Declan is approximately 9 years, with most bearers falling between 5 and 14 years old.
Is Declan still popular?
Yes. Declan is holding steady, with 2,570 births in 2025 and a consistent recent baseline.
Peak year
2019
Decline from peak
35.3%
2025
2,570
All-time
58,547
Diaspora map
Declan broke out in Illinois, Maryland, Massachusetts, New Jersey, Pennsylvania, and Washington (2001) and became over-represented in 29 states over 19 years.
Broke out: Illinois, Maryland, Massachusetts, New Jersey, Pennsylvania, and Washington, 2001 · over-represented in 29 states over 19 years
