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.

#24,448 of 72,339
all-time among girls
128
born since 1923
1980s
peak 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.

  • #24,448 of 72,339 all-time among girls
  • 128 born since 1923
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Tomoko ranks #24,448 of 72,339 girls' names by all-time recorded births (highest first). 128 born since 1923, peaking in the 1980s.

#24,448 of 72,339
all-time among girls
128
born since 1923
1980s
peak decade
Below the archive median
All-time archive position

Tomoko's 128 recorded births place it above 66.2% of the 72,339 girls names in the full SSA archive.

2 jurisdictions
State-record footprint

The state file records this name in 2 jurisdictions, led by California.

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 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

1980s is the heaviest window (51 births, 40% of the file).

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 August 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. Across the full SSA archive it ranks #24,448 of 72,339 girls' names by total births. The most recent recorded year was 1991. Its busiest year on record was 1982, with 10 births.
Where does Tomoko sit in the SSA name archive?
According to the U.S. Social Security Administration, Tomoko ranks #24,448 of 72,339 girls' 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 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

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Tomoko

Nearby Names Like Tomoko

Names with a similar sound, spelling, or feel to Tomoko

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Tomoko: 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, 1923–1991 (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 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 August 2026.