Boys' name · since 1915

Shizuo

135 babies named Shizuo in U.S. Social Security records since 1915, with the highest year being 1920. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

135
total births
1915–1929
years on record
1920s
peak decade
70%
born in that decade

Shizuo sits outside today's top ranks for boys, with 135 recorded since 1915.

Shizuo has 135 recorded births among boys since 1915, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 1929.

  • 135 total births
  • 1915–1929 years on record
  • 1920s peak decade
  • 70% born in that decade

Data updated Jun 2026

The verdict

135 boys have been named Shizuo since 1915, peaking in the 1920s, last recorded in 1929.

135
total births
1915–1929
years on record
1920s
peak decade
70%
born in that decade
1920s
Peak decade

70% of everyone ever named Shizuo was born in this single decade.

1920
Single peak year

14 babies were named Shizuo in 1920 - its busiest year on record.

Shizuo's usage pattern, beyond the headline number

Splitting Shizuo's full recorded timeline at 1922, 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 1926, with just 5 recorded births -- worth weighing against the 1920 peak of 14 to see the full range of the name's swing in popularity.

Shizuo at a glance

Last recorded 1929

Total births

135

Since 1915

15 years of records

Peak year

1920

14 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1929

Active since

1915

Recorded for 15 years

Last year on file: 1929

Shizuo popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1929

Last recorded 1929
Peak year (1920)
14
Annual births at peak, across 15 years of records
46810121416 19151917191919211923192519271929 6

Shizuo by decade

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

1920s was Shizuo's strongest decade.

94 babies received the name during that ten-year window, about 70% of all-time use.

Shizuo births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 94 births (70% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

Shizuo by state

Where Shizuo concentrates geographically, total births since 1915

Regionally concentrated
Top 2 states by recorded births for the name Shizuo
Rank State Visual share Births Share of total
#1 Hawaii
68 50.4%
#2 California
18 13.3%
Hawaii share of Shizuo's total US births 50.4%
Even split

68 of 135 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Shizuo?
Shizuo has been given to 135 babies in the U.S. since 1915, according to SSA data. Its last appearance in the data was 1929. 14 babies were born in 1920, its single highest year.
When was Shizuo most popular?
Shizuo was most popular in the 1920s decade with 94 total births. The single peak year was 1920.
Where is Shizuo most popular?
The top states for the name Shizuo are Hawaii (68 births), California (18 births).
How long has the name Shizuo been used?
Records for Shizuo go back to 1915, giving 15 years of history through 1929.
What names are similar to Shizuo?
Names with a similar sound or spelling include Shirley, Shiloh, Shimon, Shia, and 4 more. These share a common prefix and are also used for boys.

What to do with Shizuo's data

  • Hawaii records the most Shizuos (68 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.

Data Sources

Data as of June 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, 1915–1929 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Shizuo: Baby Name Since 1915 - 135 Births, Peak 1920." NameAlmanac. Accessed via https://namealmanac.com/name/shizuo. 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 Shizuo 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 June 2026.