Recorded 1919–1930 Girls' name Peak 1929 49 births

Katsuko — girls' name

49 babies named Katsuko in U.S. Social Security records since 1919, with the highest year being 1929. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s61920s381930s5

The verdict

49 girls have been named Katsuko since 1919, peaking in the 1920s, last recorded in 1930.

49
total births
1919–1930
years on record
1920s
peak decade
78%
born in that decade
1920s
Peak decade

78% of everyone ever named Katsuko was born in this single decade.

1929
Single peak year

8 babies were named Katsuko in 1929 — its busiest year on record.

What the Data Says About Katsuko

The Social Security Administration has registered 49 babies named Katsuko between 1919 and 1930, spanning 12 consecutive years of U.S. birth records. As a girl's name, Katsuko currently falls outside the top 1,000 girls' names for 1930. The name reached its historical peak in 1929, when 8 babies received it in a single year.

Decade-level aggregation shows that Katsuko performed strongest in the 1920s, accumulating 38 births during that ten-year window. Across the 3 decades of recorded activity, Katsuko shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Katsuko in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Katsuko in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 49 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Katsuko at a glance

Last recorded 1930

Total births

49

Since 1919

12 years of records

Peak year

1929

8 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1930

Active since

1919

Recorded for 12 years

Last year on file: 1930

Katsuko popularity over time

Annual U.S. births registered with the Social Security Administration · 1930–1919

Last recorded 1930
Peak year (1929)
8
Annual births at peak — across 12 years of records
456789 19301929192819251923192219211919 6

Katsuko by decade

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

Peak: 1920s
Peak decade
1920s
38 births that decade — 78% of Katsuko's all-time total
1910s61920s381930s5

Katsuko by state

Where Katsuko concentrates geographically — total births since 1919

Geographically diffuse
Top 1 states by recorded births for the name Katsuko
Rank State Visual share Births Share of total
#1 Hawaii
5 10.2%
Hawaii share of Katsuko's total US births 10.2%

5 of 49 births nationwide.

Frequently Asked Questions

How popular is the name Katsuko?
49 babies have been named Katsuko since 1919. It was last recorded in 1930. The peak year was 1929 with 8 births.
When was Katsuko most popular?
Katsuko was most popular in the 1920s decade with 38 total births. The single peak year was 1929.
Where is Katsuko most popular?
The top states for the name Katsuko are Hawaii (5 births).
How long has the name Katsuko been used?
Katsuko has been recorded in Social Security data since 1919, spanning 12 years of data through 1930.
What names are similar to Katsuko?
Names with a similar sound or spelling include Kathleen, Katherine, Kathryn, Kathy, and 4 more. These share a common prefix and are also used for girls.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1919–1930 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.