Girls' name · since 1923

Tomoko

128 babies named Tomoko in U.S. Social Security records since 1923, with the highest year being 1982. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

128
total births
1923–1991
years on record
1980s
peak decade
40%
born in that decade

Tomoko sits outside today's top ranks for girls, with 128 recorded since 1923.

According to the U.S. Social Security Administration, Tomoko has been recorded 128 times among girls since 1923, though it is not among the currently most-used girls names, with its heaviest use in the 1980s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1923 to 1991.

  • 128 total births
  • 1923–1991 years on record
  • 1980s peak decade
  • 40% born in that decade

Data updated Jul 2026

The verdict

128 girls have been named Tomoko since 1923, peaking in the 1980s, last recorded in 1991.

128
total births
1923–1991
years on record
1980s
peak decade
40%
born in that decade
1980s
Peak decade

40% of everyone ever named Tomoko was born in this single decade.

1982
Single peak year

10 babies were named Tomoko in 1982 - its busiest year on record.

Tomoko's usage pattern, beyond the headline number

Splitting Tomoko's full recorded timeline at 1979, 57% of its total births fall in the more recent half of the record versus 43% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1923, with just 5 recorded births -- worth weighing against the 1982 peak of 10 to see the full range of the name's swing in popularity.

Tomoko at a glance

Last recorded 1991

Total births

128

Since 1923

69 years of records

Peak year

1982

10 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 1991

Active since

1923

Recorded for 69 years

Last year on file: 1991

Tomoko popularity over time

Annual U.S. births registered with the Social Security Administration · 1923–1991

Last recorded 1991
Peak year (1982)
10
Annual births at peak, across 69 years of records
4681012 1923196919741979198319871991 5

Tomoko by decade

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

1980s was Tomoko's strongest decade.

51 babies received the name during that ten-year window, about 40% of all-time use.

Tomoko births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 51 births (40% of all-time use).

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

Tomoko by state

Where Tomoko concentrates geographically, total births since 1923

Geographically diffuse
Top 2 states by recorded births for the name Tomoko
Rank State Visual share Births Share of total
#1 California
5 3.9%
#2 Hawaii
5 3.9%
California share of Tomoko's total US births 3.9%
Even split

5 of 128 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tomoko?
Since 1923, Social Security records show 128 babies named Tomoko. The most recent recorded year was 1991. Its busiest year on record was 1982, with 10 births.
When was Tomoko most popular?
Tomoko was most popular in the 1980s decade with 51 total births. The single peak year was 1982.
Where is Tomoko most popular?
The top states for the name Tomoko are California (5 births), Hawaii (5 births).
How long has the name Tomoko been used?
The SSA has tracked Tomoko since 1923 -- 69 years through the most recent 1991 data.
What names are similar to Tomoko?
Names with a similar sound or spelling include Tommie, Tomeka, Tomasa, Tommy, and 4 more. These share a common prefix and are also used for girls.

What to do with Tomoko's data

  • Tomoko's decade-level peak was the 1980s (51 total births); usage has since declined to 13 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Tomokos (5 births) -- see the full state breakdown if geography matters to your decision. California 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 July 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, 1923–1991 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Tomoko: Baby Name Since 1923 - 128 Births, Peak 1982." NameAlmanac. Accessed via https://namealmanac.com/name/tomoko. 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 Tomoko 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 July 2026.