Boys' name · since 1917

Masanobu

Since 1917, U.S. Social Security records show 35 babies named Masanobu, peaking in 1926. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

35
total births
1917–1934
years on record
1920s
peak decade
51%
born in that decade

Masanobu sits outside today's top ranks for boys, with 35 recorded since 1917.

Social Security Administration records show Masanobu recorded 35 times among boys since 1917, though it doesn't currently rank among the most-used boys names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1917 to 1934.

  • 35 total births
  • 1917–1934 years on record
  • 1920s peak decade
  • 51% born in that decade

Data updated Jul 2026

Below the archive median
All-time archive position

Masanobu's 35 recorded births place it above 45% of the 45,481 boys names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by Hawaii.

Masanobu's usage pattern, beyond the headline number

Masanobu splits its recorded history at 1924: 51% of all births land in the more recent half, 49% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1917 (5 births) -- compare that against the 1926 peak of 7 for a sense of just how much the name's popularity has swung.

Masanobu popularity over time

Annual U.S. births registered with the Social Security Administration · 1917–1934

Last recorded 1934
Peak year (1926)
7
Annual births at peak, across 18 years of records
4.555.566.577.5 191719191921192419261934 6

Masanobu by decade

Total births in each ten-year window, peak vs trough at a glance

1920s was Masanobu's strongest decade.

18 babies received the name during that ten-year window, about 51% of all-time use.

Masanobu births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 18 births (51% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Masanobu by state

Where Masanobu concentrates geographically, total births since 1917

Regionally concentrated
Top 1 states by recorded births for the name Masanobu
Rank State Visual share Births Share of total
#1 Hawaii
17 48.6%
Hawaii share of Masanobu's total US births 48.6%

17 of 35 births nationwide.

Frequently Asked Questions

How popular is the name Masanobu?
35 babies have been named Masanobu since 1917. It was last recorded in 1934. The peak year was 1926 with 7 births.
When was Masanobu most popular?
Masanobu was most popular in the 1920s decade with 18 total births. The single peak year was 1926.
Where is Masanobu most popular?
The top states for the name Masanobu are Hawaii (17 births).
How long has the name Masanobu been used?
Masanobu has been recorded in Social Security data since 1917, spanning 18 years of data through 1934.
What names are similar to Masanobu?
Names with a similar sound or spelling include Mason, Massimo, Masen, Masyn, and 4 more. These share a common prefix and are also used for boys.

What to do with Masanobu's data

  • Masanobu's usage has stayed within range of its 1920s decade-level peak (18 total births) through the 1930s (6) -- a comparatively stable name, not a fading trend.
  • Hawaii records the most Masanobus (17 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of July 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1917–1934 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac. "Masanobu: Baby Name Since 1917 - 35 Births, Peak 1926." NameAlmanac. Accessed via https://namealmanac.com/name/masanobu. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Masanobu draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.