Boys' name · since 1915

Tamotsu

Tamotsu has 199 recorded births since 1915 in federal Social Security data, most heavily in 1923 -- full year-by-year trend, decade aggregates, and state rankings follow.

199
total births
1915–1932
years on record
1920s
peak decade
72%
born in that decade

199 boys have been named Tamotsu since 1915, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Tamotsu has been recorded 199 times among boys since 1915, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1915 to 1932.

  • 199 total births
  • 1915–1932 years on record
  • 1920s peak decade
  • 72% born in that decade

Data updated Jun 2026

The verdict

199 boys have been named Tamotsu since 1915, peaking in the 1920s, last recorded in 1932.

199
total births
1915–1932
years on record
1920s
peak decade
72%
born in that decade
1920s
Peak decade

72% of everyone ever named Tamotsu was born in this single decade.

1923
Single peak year

26 babies were named Tamotsu in 1923 - its busiest year on record.

Tamotsu's usage pattern, beyond the headline number

Divide Tamotsu's SSA record in two at 1924 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 1932, with only 6 births recorded -- set against the 1923 peak of 26, that's the full swing in one name's fortunes.

Tamotsu at a glance

Last recorded 1932

Total births

199

Since 1915

18 years of records

Peak year

1923

26 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1932

Active since

1915

Recorded for 18 years

Last year on file: 1932

Tamotsu popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1932

Last recorded 1932
Peak year (1923)
26
Annual births at peak, across 18 years of records
51015202530 191519181920192219241926192819301932 6

Tamotsu by decade

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

1920s was Tamotsu's strongest decade.

143 babies received the name during that ten-year window, about 72% of all-time use.

Tamotsu births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 143 births (72% of all-time use).

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

Tamotsu by state

Where Tamotsu concentrates geographically, total births since 1915

Regionally concentrated
Top 2 states by recorded births for the name Tamotsu
Rank State Visual share Births Share of total
#1 Hawaii
149 74.9%
#2 California
12 6.0%
Hawaii share of Tamotsu's total US births 74.9%
Even split

149 of 199 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tamotsu?
Since 1915, Social Security records show 199 babies named Tamotsu. The most recent recorded year was 1932. Its busiest year on record was 1923, with 26 births.
When was Tamotsu most popular?
Tamotsu was most popular in the 1920s decade with 143 total births. The single peak year was 1923.
Where is Tamotsu most popular?
The top states for the name Tamotsu are Hawaii (149 births), California (12 births).
How long has the name Tamotsu been used?
Tamotsu has been recorded in Social Security data since 1915, spanning 18 years of data through 1932.
What names are similar to Tamotsu?
Names with a similar sound or spelling include Tamir, Tammy, Tam, Tamar, and 4 more. These share a common prefix and are also used for boys.

What to do with Tamotsu's data

  • Tamotsu's decade-level peak was the 1920s (143 total births); usage has since declined to 18 in the 1930s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Hawaii records the most Tamotsus (149 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, 1915–1932 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Tamotsu: Baby Name Since 1915 - 199 Births, Peak 1923." NameAlmanac. Accessed via https://namealmanac.com/name/tamotsu. 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 Tamotsu 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.