Boys' name · since 1917
Masaharu
Since 1917, U.S. Social Security records show 48 babies named Masaharu, peaking in 1918. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 48
- total births
- 1917–1926
- years on record
- 1920s
- peak decade
- 63%
- born in that decade
48 boys have been named Masaharu since 1917, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Masaharu has been recorded 48 times among boys since 1917, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1917 to 1926.
- 48 total births
- 1917–1926 years on record
- 1920s peak decade
- 63% born in that decade
Data updated Jul 2026
Masaharu's 48 recorded births place it above 50% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by California.
Masaharu's usage pattern, beyond the headline number
Masaharu splits its recorded history at 1922: 50% of all births land in the more recent half, 50% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1917 (5 births) -- compare that against the 1918 peak of 7 for a sense of just how much the name's popularity has swung.
Masaharu popularity over time
Annual U.S. births registered with the Social Security Administration · 1917–1926
- Peak year (1918)
- 7
- Annual births at peak, across 10 years of records
Masaharu by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Masaharu's strongest decade.
30 babies received the name during that ten-year window, about 63% of all-time use.
Masaharu births by decade
Total births in each ten-year window
- 1910s
1910s
18 births
- 1920s
1920s
30 births
What this shows Peak: 1920s at 30 births (63% of all-time use).
Masaharu by state
Where Masaharu concentrates geographically, total births since 1917
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 6 | 12.5% |
6 of 48 births nationwide.
Frequently Asked Questions
How popular is the name Masaharu? ▼
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What to do with Masaharu's data
- California records the most Masaharus (6 births) -- see the full state breakdown if geography matters to your decision. California 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.
Keep exploring Masaharu
Nearby Names Like Masaharu
Names with a similar sound, spelling, or feel to Masaharu
Compare Masaharu side by side: Masaharu vs Mason Masaharu vs Massimo Masaharu vs Masen
Related Names
Names with a similar number of total births
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, 1917–1926 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac. "Masaharu: Baby Name Since 1917 - 48 Births, Peak 1918." NameAlmanac. Accessed via https://namealmanac.com/name/masaharu. 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 Masaharu 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.