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
Above the archive median
All-time archive position

Tetsuo's 268 recorded births place it above 75.21% of the 45,481 boys names in the full SSA archive.

2 jurisdictions
State-record footprint

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

Last recorded 1944
Peak year (1924)
26
Annual births at peak, across 30 years of records
051015202530 19151918192119241927193019351944 5

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

births

What this shows Peak: 1920s at 179 births (67% of all-time use).

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

Tetsuo by state

Where Tetsuo concentrates geographically, total births since 1915

Regionally concentrated
Top 2 states by recorded births for the name Tetsuo
Rank State Visual share Births Share of total
#1 Hawaii
130 48.5%
#2 California
65 24.3%
Hawaii share of Tetsuo's total US births 48.5%
Even split

130 of 268 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tetsuo?
268 babies have been named Tetsuo since 1915. All-time, it sits at #11,272 of 45,481 boys' names by recorded births. It was last recorded in 1944. The peak year was 1924 with 26 births.
Where does Tetsuo sit in the SSA name archive?
According to the U.S. Social Security Administration, Tetsuo ranks #11,272 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Tetsuo most popular?
Tetsuo was most popular in the 1920s decade with 179 total births. The single peak year was 1924.
Where is Tetsuo most popular?
The top states for the name Tetsuo are Hawaii (130 births), California (65 births).
How long has the name Tetsuo been used?
The SSA has tracked Tetsuo since 1915 -- 30 years through the most recent 1944 data.
What names are similar to Tetsuo?
Names with a similar sound or spelling include Tetsuya, Tetsuro, Tetsu. These share a common prefix and are also used for boys.

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

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.

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.