Recorded 1912–1939 Boys' name Peak 1921 675 births

Minoru — boys' name

675 babies named Minoru in U.S. Social Security records since 1912, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s2061920s3701930s99
1920s
Peak decade

55% of everyone ever named Minoru was born in this single decade.

1921
Single peak year

50 babies were named Minoru in 1921 — its busiest year on record.

What the Data Says About Minoru

The Social Security Administration has registered 675 babies named Minoru between 1912 and 1939, spanning 28 consecutive years of U.S. birth records. As a boy's name, Minoru currently falls outside the top 1,000 boys' names for 1939. The name reached its historical peak in 1921, when 50 babies received it in a single year.

Decade-level aggregation shows that Minoru performed strongest in the 1920s, accumulating 370 births during that ten-year window. Across the 3 decades of recorded activity, Minoru shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 292 births — the largest state-level total in the dataset — followed by Hawaii and Washington. In total, SSA state-level files list Minoru in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Minoru 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 675 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.

Minoru at a glance

Last recorded 1939

Total births

675

Since 1912

28 years of records

Peak year

1921

50 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1939

Active since

1912

Recorded for 28 years

Last year on file: 1939

Minoru popularity over time

Annual U.S. births registered with the Social Security Administration · 1939–1912

Last recorded 1939
Peak year (1921)
50
Annual births at peak — across 28 years of records
0102030405060 19391934193019261922191819141912 7

Minoru by decade

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

Peak: 1920s
Peak decade
1920s
370 births that decade — 55% of Minoru's all-time total
1910s2061920s3701930s99

Minoru by state

Where Minoru concentrates geographically — total births since 1912

Regionally concentrated
Top 3 states by recorded births for the name Minoru
Rank State Visual share Births Share of total
#1 California
292 43.3%
#2 Hawaii
270 40.0%
#3 Washington
12 1.8%
California share of Minoru's total US births 43.3%
Even split

292 of 675 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Minoru?
675 babies have been named Minoru since 1912. It was last recorded in 1939. The peak year was 1921 with 50 births.
When was Minoru most popular?
Minoru was most popular in the 1920s decade with 370 total births. The single peak year was 1921.
Where is Minoru most popular?
The top states for the name Minoru are California (292 births), Hawaii (270 births), Washington (12 births).
How long has the name Minoru been used?
Minoru has been recorded in Social Security data since 1912, spanning 28 years of data through 1939.
What names are similar to Minoru?
Names with a similar sound or spelling include Minh, Minor, Minnie, Mina, 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, 1912–1939 (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.