Total births
521
Boys' name · since 1912
Mitsuo
521 babies named Mitsuo in U.S. Social Security records since 1912, with the highest year being 1925. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 521
- total births
- 1912–1940
- years on record
- 1920s
- peak decade
- 62%
- born in that decade
521 boys have been named Mitsuo since 1912, though it isn't currently a top-ranked name.
Social Security Administration records show Mitsuo recorded 521 times among boys since 1912, 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 1912 to 1940.
- 521 total births
- 1912–1940 years on record
- 1920s peak decade
- 62% born in that decade
Data updated Jun 2026
The verdict
521 boys have been named Mitsuo since 1912, peaking in the 1920s, last recorded in 1940.
- 521
- total births
- 1912–1940
- years on record
- 1920s
- peak decade
- 62%
- born in that decade
1920s
Peak decade
62% of everyone ever named Mitsuo was born in this single decade.
1925
Single peak year
40 babies were named Mitsuo in 1925 - its busiest year on record.
Mitsuo's usage pattern, beyond the headline number
Mitsuo 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 1940 (5 births) -- compare that against the 1925 peak of 40 for a sense of just how much the name's popularity has swung.
Mitsuo at a glance
Last recorded 1940Peak year
1925
Current rank
Unranked
Active since
1912
Mitsuo popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–1940
- Peak year (1925)
- 40
- Annual births at peak, across 29 years of records
Mitsuo by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Mitsuo's strongest decade.
321 babies received the name during that ten-year window, about 62% of all-time use.
Mitsuo births by decade
Total births in each ten-year window
- 1910s 124
1910s
124 births
- 1920s
1920s
321 births
- 1930s 71
1930s
71 births
- 1940s 5
1940s
5 births
What this shows Peak: 1920s at 321 births (62% of all-time use).
How Mitsuo compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Mitsuo's total volume
Mitsuo vs 15 similarly-sized boys names
Mitsuo by state
Where Mitsuo concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 350 | 67.2% |
| #2 | California | | 94 | 18.0% |
Hawaii share of Mitsuo's total US births 67.2%
Even split
350 of 521 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Mitsuo? ▼
Since 1912, Social Security records show 521 babies named Mitsuo. The most recent recorded year was 1940. Its busiest year on record was 1925, with 40 births.
When was Mitsuo most popular? ▼
Mitsuo was most popular in the 1920s decade with 321 total births. The single peak year was 1925.
Where is Mitsuo most popular? ▼
The top states for the name Mitsuo are Hawaii (350 births), California (94 births).
How long has the name Mitsuo been used? ▼
Records for Mitsuo go back to 1912, giving 29 years of history through 1940.
What names are similar to Mitsuo? ▼
Names with a similar sound or spelling include Mitchell, Mitchel, Mitch, Mitcheal, and 4 more. These share a common prefix and are also used for boys.
What to do with Mitsuo's data
- Mitsuo's decade-level peak was the 1920s (321 total births); usage has since declined to 5 in the 1940s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Mitsuos (350 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 Mitsuo
Nearby Names Like Mitsuo
Names with a similar sound, spelling, or feel to Mitsuo
Mitchell Boy
#904 164,063 births
Mitchel Boy
#6204 13,287 births
Mitch Boy
#7831 5,565 births
Mitcheal Boy
267 births
Mitchael Boy
248 births
Compare Mitsuo side by side: Mitsuo vs Mitchell Mitsuo vs Mitchel Mitsuo vs Mitch
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1912–1940 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Mitsuo: Baby Name Since 1912 - 521 Births, Peak 1925." NameAlmanac. Accessed via https://namealmanac.com/name/mitsuo. 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 Mitsuo 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 June 2026.