Boys' name · since 1915
Tetsuo
268 babies named Tetsuo in U.S. Social Security records since 1915, with the highest year being 1924. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #11,272 of 45,481
- all-time among boys
- 268
- born since 1915
- 1920s
- peak decade
268 boys have been named Tetsuo since 1915, though it isn't currently a top-ranked name.
Social Security Administration records show Tetsuo recorded 268 times among boys since 1915, 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 1915 to 1944.
- #11,272 of 45,481 all-time among boys
- 268 born since 1915
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Tetsuo ranks #11,272 of 45,481 boys' names by all-time recorded births (highest first). 268 born since 1915, peaking in the 1920s.
- #11,272 of 45,481
- all-time among boys
- 268
- born since 1915
- 1920s
- peak decade
Tetsuo's 268 recorded births place it above 75.21% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Hawaii.
Tetsuo's usage pattern, beyond the headline number
Divide Tetsuo's SSA record in two at 1925 and the more recent half accounts for 44% of all births, the earlier half the remaining 56%, a genuinely balanced usage pattern. Its calmest year was 1944, with only 5 births recorded -- set against the 1924 peak of 26, that's the full swing in one name's fortunes.
Tetsuo popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–1944
- Peak year (1924)
- 26
- Annual births at peak, across 30 years of records
No longer in the modern top-1000, last recorded 1944.
268 total births across 30 years of SSA records. Peaked in 1924 with 26 births in a single year.
Tetsuo by decade
1920s is the heaviest window (179 births, 67% of the file).
1920s was Tetsuo's strongest decade.
179 babies received the name during that ten-year window, about 67% of all-time use.
Tetsuo births by decade
Total births in each ten-year window
- 1910s 49
1910s
49 births
- 1920s
1920s
179 births
- 1930s 35
1930s
35 births
- 1940s 5
1940s
5 births
What this shows Peak: 1920s at 179 births (67% of all-time use).
Tetsuo decade highlights
- Peak decade 179 births
- Runner-up 49 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Tetsuo by state
Where Tetsuo concentrates geographically, total births since 1915
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 130 | 48.5% |
| #2 | California | | 65 | 24.3% |
130 of 268 births nationwide. Compared to a flat distribution across 2 reporting states.
Top 5 states
- Hawaii 48.5% of nationwide
- California 24.3% of nationwide
Recorded in 2 of 51 SSA jurisdictions
Hawaii accounts for 48.5% of all recorded births nationwide - a strong regional concentration for this name.
Frequently Asked Questions
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Where does Tetsuo sit in the SSA name archive? ▼
When was Tetsuo most popular? ▼
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What to do with Tetsuo's data
- Tetsuo's decade-level peak was the 1920s (179 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 Tetsuos (130 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Tetsuo
Nearby Names Like Tetsuo
Names with a similar sound, spelling, or feel to Tetsuo
Compare Tetsuo side by side: Tetsuo vs Tetsuya Tetsuo vs Tetsuro Tetsuo vs Tetsu
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Tetsuo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1924)
Similar record span (~29 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1915–1944 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Tetsuo 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 August 2026.
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