Masculine dossier · first seen 1907

Masao

Stable Decline Gradual decline from 1918
Peak era
1918
Peak births
81
Current vitality
Below reporting floor
Peak generation
Greatest Generation
1907Peak 19182025
peak 1918 2025 18801900192019401960198020002020

Quick answers about Masao

How many people are named Masao?

An estimated 62 living Americans are named Masao.

How rare is Masao?

Masao fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.

How old is the typical Masao?

The median age of a living American named Masao is approximately 86 years, with most bearers falling between 15 and 95 years old.

Is Masao still popular?

Not especially. Masao has been declining since its 1918 peak and registered 0 births in 2025.

Peak year
1918
Decline from peak
100%
2025
0
All-time
1,018