How Many People Are Named Masatoshi?
An estimated 0 people in the United States have the first name Masatoshi. It is almost exclusively a male name. The average bearer is 0 years old, and Masatoshi peaked in popularity in 1918 with 10 births that year.
Below you will find a full statistical profile of Masatoshi as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Masatoshi paired with any surname.
Key Insights
- Masatoshi is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
0
About 1 in 1 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
0
years old
Peak Year
1918
10 births
Total Registered
16
since 1880
Gender Distribution for Masatoshi
Masatoshi is almost exclusively a male name. Out of 16 total births registered, 100.0% were male.
Masatoshi as a male name
Ranked #4,018 in 1919
6 male births in 1919
Peak: 1918 (10 births)
Masatoshi: Popularity Over Time
Masatoshi by Decade
How has Masatoshi tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1910s | 16 | 16 | 0 | |
Masatoshi by State
Masatoshi + Last Name Combinations
How many people share a full name with Masatoshi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Masatoshi
Other first names starting with M with a similar number of bearers.
Masatoshi: Questions and Answers
How many people in the U.S. are named Masatoshi?
We estimate approximately 0 people named Masatoshi are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 1 Americans share this first name.
Is Masatoshi a common name?
Masatoshi is classified as "Very Rare" and is more popular than 2.9% of all first names in the SSA database. A total of 16 births have been registered with this name since 1880.
When was Masatoshi most popular?
Masatoshi reached peak popularity in 1918, when 10 babies were given this name. The average age of a living person named Masatoshi is approximately 0 years old, reflecting when the name was most commonly given.
Is Masatoshi a male name?
Masatoshi is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Masatoshi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Masatoshi Smith, Masatoshi Johnson, Masatoshi Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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