Boys' name · since 1912

Tsutomu

Tsutomu has 352 recorded births since 1912 in federal Social Security data, most heavily in 1924 -- full year-by-year trend, decade aggregates, and state rankings follow.

352
total births
1912–1937
years on record
1920s
peak decade
62%
born in that decade

Tsutomu is not among the current top-ranked boys names; 352 have been recorded since 1912.

Tsutomu has 352 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 1937.

  • 352 total births
  • 1912–1937 years on record
  • 1920s peak decade
  • 62% born in that decade

Data updated Jun 2026

The verdict

352 boys have been named Tsutomu since 1912, peaking in the 1920s, last recorded in 1937.

352
total births
1912–1937
years on record
1920s
peak decade
62%
born in that decade
1920s
Peak decade

62% of everyone ever named Tsutomu was born in this single decade.

1924
Single peak year

31 babies were named Tsutomu in 1924 - its busiest year on record.

Tsutomu's usage pattern, beyond the headline number

Tsutomu splits its recorded history at 1924: 53% of all births land in the more recent half, 47% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1913 (5 births) -- compare that against the 1924 peak of 31 for a sense of just how much the name's popularity has swung.

Tsutomu at a glance

Last recorded 1937

Total births

352

Since 1912

26 years of records

Peak year

1924

31 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1937

Active since

1912

Recorded for 26 years

Last year on file: 1937

Tsutomu popularity over time

Annual U.S. births registered with the Social Security Administration · 1912–1937

Last recorded 1937
Peak year (1924)
31
Annual births at peak, across 26 years of records
010203040 1912191619201924192819321937 5

Tsutomu by decade

Total births in each ten-year window, peak vs trough at a glance

1920s was Tsutomu's strongest decade.

219 babies received the name during that ten-year window, about 62% of all-time use.

Tsutomu births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 219 births (62% of all-time use).

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

Tsutomu by state

Where Tsutomu concentrates geographically, total births since 1912

Regionally concentrated
Top 2 states by recorded births for the name Tsutomu
Rank State Visual share Births Share of total
#1 Hawaii
178 50.6%
#2 California
83 23.6%
Hawaii share of Tsutomu's total US births 50.6%
Even split

178 of 352 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tsutomu?
Tsutomu has been given to 352 babies in the U.S. since 1912, according to SSA data. Its last appearance in the data was 1937. 31 babies were born in 1924, its single highest year.
When was Tsutomu most popular?
Tsutomu was most popular in the 1920s decade with 219 total births. The single peak year was 1924.
Where is Tsutomu most popular?
The top states for the name Tsutomu are Hawaii (178 births), California (83 births).
How long has the name Tsutomu been used?
Tsutomu has been recorded in Social Security data since 1912, spanning 26 years of data through 1937.
What names are similar to Tsutomu?
Names with a similar sound or spelling include Tsugio, Tsuneo, Tsubasa, Tsuyoshi, and 1 more. These share a common prefix and are also used for boys.

What to do with Tsutomu's data

  • Tsutomu's decade-level peak was the 1920s (219 total births); usage has since declined to 43 in the 1930s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Hawaii records the most Tsutomus (178 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.

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, 1912–1937 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Tsutomu: Baby Name Since 1912 - 352 Births, Peak 1924." NameAlmanac. Accessed via https://namealmanac.com/name/tsutomu. 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 Tsutomu 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.