Masculine dossier · first seen 1975
Mattias
Rising
Gaining cultural share
Peak era
2024
Peak births
185
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Mattias
How many people are named Mattias?
An estimated 2,651 living Americans are named Mattias.
How rare is Mattias?
Mattias is uncommon among babies today, with 163 boys receiving the name in 2025, down 11.9% from its 2024 peak.
How old is the typical Mattias?
The median age of a living American named Mattias is approximately 9 years, with most bearers falling between 4 and 17 years old.
Is Mattias still popular?
Yes — Mattias is currently rising in popularity, with 163 births in 2025. Births this decade are running about 1.8× higher than the previous decade.
Where is Mattias most common?
Mattias has its strongest geographic signal in California, where it appears 2.0× more often than the national baseline.
1975Peak 20242025
Peak year
2024
Decline from peak
11.9%
2025
163
All-time
2,681
Where it lives now
Mattias is most concentrated in California — about 2.0× the national rate in the 2020s.
States where Mattias is given more often than the national average — its present-day heartland.