Total births
39
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.
- 39
- total births
- 1916–1928
- years on record
- 1920s
- peak decade
- 51%
- born in that 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.
- 39 total births
- 1916–1928 years on record
- 1920s peak decade
- 51% born in that decade
Data updated Jul 2026
The verdict
39 girls have been named Tatsuko since 1916, peaking in the 1920s, last recorded in 1928.
- 39
- total births
- 1916–1928
- years on record
- 1920s
- peak decade
- 51%
- born in that decade
1920s
Peak decade
51% of everyone ever named Tatsuko was born in this single decade.
1916
Single peak year
14 babies were named Tatsuko in 1916 - its busiest year on record.
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 at a glance
Last recorded 1928Peak year
1916
Current rank
Unranked
Active since
1916
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
Total births in each ten-year window, peak vs trough at a glance
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% |
Hawaii share of Tatsuko's total US births 33.3%
Even split
13 of 39 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Tatsuko? ▼
Tatsuko has been given to 39 babies in the U.S. since 1916, according to SSA data. Its last appearance in the data was 1928. 14 babies were born in 1916, its single highest year.
When was Tatsuko most popular? ▼
Tatsuko was most popular in the 1920s decade with 20 total births. The single peak year was 1916.
Where is Tatsuko most popular? ▼
The top states for the name Tatsuko are Hawaii (13 births), California (5 births).
How long has the name Tatsuko been used? ▼
Tatsuko has been recorded in Social Security data since 1916, spanning 13 years of data through 1928.
What names are similar to Tatsuko? ▼
Names with a similar sound or spelling include Tatiana, Tatum, Tatyana, Tatianna, and 4 more. These share a common prefix and are also used for girls.
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
- 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.
Keep exploring Tatsuko
Nearby Names Like Tatsuko
Names with a similar sound, spelling, or feel to Tatsuko
Tatiana Girl
#1079 35,234 births
Tatum Girl
#205 28,649 births
Tatyana Girl
#8070 10,305 births
Tatianna Girl
#5865 5,617 births
Tatiyana Girl
2,145 births
Compare Tatsuko side by side: Tatsuko vs Tatiana Tatsuko vs Tatum Tatsuko vs Tatyana
Related Names
Names with a similar number of total births
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, 1916–1928 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Tatsuko: Baby Name Since 1916 - 39 Births, Peak 1916." NameAlmanac. Accessed via https://namealmanac.com/name/tatsuko. 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 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 July 2026.