Feminine dossier · first seen 1916
Mariko
Stable Decline
Gradual decline from 1984
Peak era
1984
Peak births
57
Current vitality
Rare
Peak generation
Millennial
1916Peak 19842025
Quick answers about Mariko
How many people are named Mariko?
An estimated 1,190 living Americans are named Mariko.
How rare is Mariko?
Mariko is very rare among babies today, with 10 girls receiving the name in 2025, down 82.5% from its 1984 peak.
How old is the typical Mariko?
The median age of a living American named Mariko is approximately 39 years, with most bearers falling between 29 and 45 years old.
Is Mariko still popular?
Not especially. Mariko has been declining since its 1984 peak and registered 10 births in 2025.
Peak year
1984
Decline from peak
82.5%
2025
10
All-time
1,320