Total births
159
Boys' name · since 1912
Masaichi
Since 1912, U.S. Social Security records show 159 babies named Masaichi, peaking in 1918. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 159
- total births
- 1912–1933
- years on record
- 1920s
- peak decade
- 49%
- born in that decade
Masaichi is not among the current top-ranked boys names; 159 have been recorded since 1912.
Masaichi has 159 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 1933.
- 159 total births
- 1912–1933 years on record
- 1920s peak decade
- 49% born in that decade
Data updated Jul 2026
The verdict
159 boys have been named Masaichi since 1912, peaking in the 1920s, last recorded in 1933.
- 159
- total births
- 1912–1933
- years on record
- 1920s
- peak decade
- 49%
- born in that decade
1920s
Peak decade
49% of everyone ever named Masaichi was born in this single decade.
1918
Single peak year
21 babies were named Masaichi in 1918 - its busiest year on record.
Masaichi's usage pattern, beyond the headline number
Divide Masaichi's SSA record in two at 1922 and the more recent half accounts for 47% of all births, the earlier half the remaining 53%, a genuinely balanced usage pattern. Its calmest year was 1912, with only 5 births recorded -- set against the 1918 peak of 21, that's the full swing in one name's fortunes.
Masaichi at a glance
Last recorded 1933Peak year
1918
Current rank
Unranked
Active since
1912
Masaichi popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–1933
- Peak year (1918)
- 21
- Annual births at peak, across 22 years of records
Masaichi by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Masaichi's strongest decade.
78 babies received the name during that ten-year window, about 49% of all-time use.
Masaichi births by decade
Total births in each ten-year window
- 1910s
1910s
70 births
- 1920s
1920s
78 births
- 1930s 11
1930s
11 births
What this shows Peak: 1920s at 78 births (49% of all-time use).
Masaichi by state
Where Masaichi concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 136 | 85.5% |
Hawaii share of Masaichi's total US births 85.5%
136 of 159 births nationwide.
Frequently Asked Questions
How popular is the name Masaichi? ▼
Masaichi has been given to 159 babies in the U.S. since 1912, according to SSA data. Its last appearance in the data was 1933. 21 babies were born in 1918, its single highest year.
When was Masaichi most popular? ▼
Masaichi was most popular in the 1920s decade with 78 total births. The single peak year was 1918.
Where is Masaichi most popular? ▼
The top states for the name Masaichi are Hawaii (136 births).
How long has the name Masaichi been used? ▼
Masaichi has been recorded in Social Security data since 1912, spanning 22 years of data through 1933.
What names are similar to Masaichi? ▼
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 Masaichi's data
- Masaichi's decade-level peak was the 1920s (78 total births); usage has since declined to 11 in the 1930s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Masaichis (136 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.
Keep exploring Masaichi
Nearby Names Like Masaichi
Names with a similar sound, spelling, or feel to Masaichi
Mason Boy
#42 342,583 births
Massimo Boy
#887 4,026 births
Masen Boy
#2816 3,243 births
Masyn Boy
#2467 1,501 births
Massiah Boy
#1954 1,451 births
Compare Masaichi side by side: Masaichi vs Mason Masaichi vs Massimo Masaichi 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, 1912–1933 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Masaichi: Baby Name Since 1912 - 159 Births, Peak 1918." NameAlmanac. Accessed via https://namealmanac.com/name/masaichi. 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 Masaichi 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.