Recorded 1915–1931 Unisex name Peak 1915 111 births

Kazumi — boys' name

111 babies named Kazumi in U.S. Social Security records since 1915, with the highest year being 1915. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s391920s601930s12
1920s
Peak decade

54% of everyone ever named Kazumi was born in this single decade.

1915
Single peak year

10 babies were named Kazumi in 1915 — its busiest year on record.

What the Data Says About Kazumi

The Social Security Administration has registered 111 babies named Kazumi between 1915 and 1931, spanning 17 consecutive years of U.S. birth records. As a boy's name, Kazumi currently falls outside the top 1,000 boys' names for 1931. The name reached its historical peak in 1915, when 10 babies received it in a single year. Kazumi is classified as unisex in SSA records: the opposite-sex variant accounts for 32 additional births since 1925.

Decade-level aggregation shows that Kazumi performed strongest in the 1920s, accumulating 60 births during that ten-year window. Across the 3 decades of recorded activity, Kazumi shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 53 births — the largest state-level total in the dataset — followed by California. In total, SSA state-level files list Kazumi in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kazumi 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 111 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.

Kazumi at a glance

Last recorded 1931

Total births

111

Since 1915

17 years of records

Peak year

1915

10 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1931

Active since

1915

Recorded for 17 years

Last year on file: 1931

Kazumi popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 1931–1915

Last recorded 1931
Peak year (1915)
10
Annual births at peak — across 17 years of records
567891011 19311928192619231921191919171915 10

Kazumi popularity over time — girls

32 total births recorded since 1925 (Kazumi as girls' name)

Unisex variant — 32 births
4.555.566.5 202020182013201219271925 5

Kazumi by decade

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

Peak: 1920s
Peak decade
1920s
60 births that decade — 54% of Kazumi's all-time total
1910s391920s601930s12

Kazumi by state

Where Kazumi concentrates geographically — total births since 1915

Regionally concentrated
Top 2 states by recorded births for the name Kazumi
Rank State Visual share Births Share of total
#1 Hawaii
53 47.7%
#2 California
6 5.4%
Hawaii share of Kazumi's total US births 47.7%
Even split

53 of 111 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Kazumi?
111 babies have been named Kazumi since 1915. It was last recorded in 1931. The peak year was 1915 with 10 births.
When was Kazumi most popular?
Kazumi was most popular in the 1920s decade with 60 total births. The single peak year was 1915.
Where is Kazumi most popular?
The top states for the name Kazumi are Hawaii (53 births), California (6 births).
Is Kazumi a unisex name?
Yes, Kazumi is used for both boys and girls. As a boy's name it has 111 births, and as a girl's name it has 32 births.
How long has the name Kazumi been used?
Kazumi has been recorded in Social Security data since 1915, spanning 17 years of data through 1931.
What names are similar to Kazumi?
Names with a similar sound or spelling include Kazuo, Kaz, Kazi, Kazuki, and 4 more. These share a common prefix and are also used for boys.

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, 1915–1931 (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.