Girls' name · since 1916
Tatsuko
Tatsuko has 39 recorded births since 1916 in federal Social Security data, most heavily in 1916 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #38,009 of 72,339
- all-time among girls
- 39
- born since 1916
- 1920s
- peak decade
Tatsuko sits outside today's top ranks for girls, with 39 recorded since 1916.
According to the U.S. Social Security Administration, Tatsuko has been recorded 39 times among girls since 1916, though it is not among the currently most-used girls 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 1916 to 1928.
- #38,009 of 72,339 all-time among girls
- 39 born since 1916
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Tatsuko ranks #38,009 of 72,339 girls' names by all-time recorded births (highest first). 39 born since 1916, peaking in the 1920s.
- #38,009 of 72,339
- all-time among girls
- 39
- born since 1916
- 1920s
- peak decade
Tatsuko's 39 recorded births place it above 47.4% of the 72,339 girls names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Hawaii.
Tatsuko's usage pattern, beyond the headline number
Splitting Tatsuko's full recorded timeline at 1923, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1917, with just 5 recorded births -- worth weighing against the 1916 peak of 14 to see the full range of the name's swing in popularity.
Tatsuko popularity over time
Annual U.S. births registered with the Social Security Administration · 1916–1928
- Peak year (1916)
- 14
- Annual births at peak, across 13 years of records
Tatsuko by decade
1920s is the heaviest window (20 births, 51% of the file).
1920s was Tatsuko's strongest decade.
20 babies received the name during that ten-year window, about 51% of all-time use.
Tatsuko births by decade
Total births in each ten-year window
- 1910s
1910s
19 births
- 1920s
1920s
20 births
What this shows Peak: 1920s at 20 births (51% of all-time use).
Tatsuko by state
Where Tatsuko concentrates geographically, total births since 1916
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 13 | 33.3% |
| #2 | California | | 5 | 12.8% |
13 of 39 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Tatsuko's data
- Hawaii records the most Tatsukos (13 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 Tatsuko
Nearby Names Like Tatsuko
Names with a similar sound, spelling, or feel to Tatsuko
Compare Tatsuko side by side: Tatsuko vs Tatiana Tatsuko vs Tatum Tatsuko vs Tatyana
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Tatsuko: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1916)
Similar record span (~12 yrs)
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, 1916–1928 (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 Tatsuko 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.