Recorded 1922–1932 Boys' name Peak 1924 30 births

Itsuo — boys' name

30 babies named Itsuo in U.S. Social Security records since 1922, with the highest year being 1924. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s241930s6
1920s
Peak decade

80% of everyone ever named Itsuo was born in this single decade.

1924
Single peak year

10 babies were named Itsuo in 1924 — its busiest year on record.

What the Data Says About Itsuo

The Social Security Administration has registered 30 babies named Itsuo between 1922 and 1932, spanning 11 consecutive years of U.S. birth records. As a boy's name, Itsuo currently falls outside the top 1,000 boys' names for 1932. The name reached its historical peak in 1924, when 10 babies received it in a single year.

Decade-level aggregation shows that Itsuo performed strongest in the 1920s, accumulating 24 births during that ten-year window. Across the 2 decades of recorded activity, Itsuo shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 25 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Itsuo in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Itsuo 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 30 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.

Itsuo at a glance

Last recorded 1932

Total births

30

Since 1922

11 years of records

Peak year

1924

10 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1932

Active since

1922

Recorded for 11 years

Last year on file: 1932

Itsuo popularity over time

Annual U.S. births registered with the Social Security Administration · 1932–1922

Last recorded 1932
Peak year (1924)
10
Annual births at peak — across 11 years of records
567891011 1932192419231922 7

Itsuo by decade

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

Peak: 1920s
Peak decade
1920s
24 births that decade — 80% of Itsuo's all-time total
1920s241930s6

Itsuo by state

Where Itsuo concentrates geographically — total births since 1922

Regionally concentrated
Top 1 states by recorded births for the name Itsuo
Rank State Visual share Births Share of total
#1 Hawaii
25 83.3%
Hawaii share of Itsuo's total US births 83.3%

25 of 30 births nationwide.

Frequently Asked Questions

How popular is the name Itsuo?
30 babies have been named Itsuo since 1922. It was last recorded in 1932. The peak year was 1924 with 10 births.
When was Itsuo most popular?
Itsuo was most popular in the 1920s decade with 24 total births. The single peak year was 1924.
Where is Itsuo most popular?
The top states for the name Itsuo are Hawaii (25 births).
How long has the name Itsuo been used?
Itsuo has been recorded in Social Security data since 1922, spanning 11 years of data through 1932.
What names are similar to Itsuo?
Names with a similar sound or spelling include Itsuki. 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, 1922–1932 (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.