How Many People Are Named Masanobu?
An estimated 2 people in the United States have the first name Masanobu. It is almost exclusively a male name. The average bearer is 82 years old, and Masanobu peaked in popularity in 1926 with 7 births that year.
Below you will find a full statistical profile of Masanobu 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 Masanobu paired with any surname.
Key Insights
- With an average bearer age of 82, Masanobu is a vintage name most associated with earlier generations. Most living bearers were born before 1954.
- Masanobu is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
2
About 1 in 171,377,169 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
82
years old
Peak Year
1926
7 births
Total Registered
35
since 1880
Gender Distribution for Masanobu
Masanobu is almost exclusively a male name. Out of 35 total births registered, 100.0% were male.
Masanobu as a male name
Ranked #3,546 in 1934
6 male births in 1934
Peak: 1926 (7 births)
Masanobu: Popularity Over Time
SSA records for Masanobu span from the 1910s to the 1930s, covering 3 decades of naming data. The most popular decade for this name was the 1920s, when 18 babies were registered. While Masanobu is less common than at its peak in the 1920s, it remains a well-established name with steady registrations.
Masanobu by Decade
How has Masanobu 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.
Masanobu by State
Masanobu + Last Name Combinations
How many people share a full name with Masanobu as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Masanobu
Other first names starting with M with a similar number of bearers.
Masanobu: Questions and Answers
How many people in the U.S. are named Masanobu?
We estimate approximately 2 people named Masanobu 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 171,377,169 Americans share this first name.
Is Masanobu a common name?
Masanobu is classified as "Very Rare" and is more popular than 4.3% of all first names in the SSA database. A total of 35 births have been registered with this name since 1880.
When was Masanobu most popular?
Masanobu reached peak popularity in 1926, when 7 babies were given this name. The average age of a living person named Masanobu is approximately 82 years old, reflecting when the name was most commonly given.
Is Masanobu a male name?
Masanobu is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Masanobu Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Masanobu Smith, Masanobu Johnson, Masanobu 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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