Boys' name · since 1912

Tadao

Since 1912, U.S. Social Security records show 295 babies named Tadao, peaking in 1920. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

295
total births
1912–1938
years on record
1920s
peak decade
57%
born in that decade

Tadao sits outside today's top ranks for boys, with 295 recorded since 1912.

Social Security Administration records show Tadao recorded 295 times among boys since 1912, though it doesn't currently rank among the most-used boys names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1912 to 1938.

  • 295 total births
  • 1912–1938 years on record
  • 1920s peak decade
  • 57% born in that decade

Data updated Jun 2026

The verdict

295 boys have been named Tadao since 1912, peaking in the 1920s, last recorded in 1938.

295
total births
1912–1938
years on record
1920s
peak decade
57%
born in that decade
1920s
Peak decade

57% of everyone ever named Tadao was born in this single decade.

1920
Single peak year

26 babies were named Tadao in 1920 - its busiest year on record.

Tadao's usage pattern, beyond the headline number

Splitting Tadao's full recorded timeline at 1923, 47% of its total births fall in the more recent half of the record versus 53% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1932, with just 5 recorded births -- worth weighing against the 1920 peak of 26 to see the full range of the name's swing in popularity.

Tadao at a glance

Last recorded 1938

Total births

295

Since 1912

27 years of records

Peak year

1920

26 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1938

Active since

1912

Recorded for 27 years

Last year on file: 1938

Tadao popularity over time

Annual U.S. births registered with the Social Security Administration · 1912–1938

Last recorded 1938
Peak year (1920)
26
Annual births at peak, across 27 years of records
051015202530 19121916191919221925192819311938 5

Tadao by decade

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

1920s was Tadao's strongest decade.

167 babies received the name during that ten-year window, about 57% of all-time use.

Tadao births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 167 births (57% of all-time use).

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

Tadao by state

Where Tadao concentrates geographically, total births since 1912

Regionally concentrated
Top 2 states by recorded births for the name Tadao
Rank State Visual share Births Share of total
#1 Hawaii
156 52.9%
#2 California
56 19.0%
Hawaii share of Tadao's total US births 52.9%
Even split

156 of 295 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tadao?
295 babies have been named Tadao since 1912. It was last recorded in 1938. The peak year was 1920 with 26 births.
When was Tadao most popular?
Tadao was most popular in the 1920s decade with 167 total births. The single peak year was 1920.
Where is Tadao most popular?
The top states for the name Tadao are Hawaii (156 births), California (56 births).
How long has the name Tadao been used?
Records for Tadao go back to 1912, giving 27 years of history through 1938.
What names are similar to Tadao?
Names with a similar sound or spelling include Tad, Tadeo, Tadd, Tadashi, and 4 more. These share a common prefix and are also used for boys.

What to do with Tadao's data

  • Tadao's decade-level peak was the 1920s (167 total births); usage has since declined to 31 in the 1930s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Hawaii records the most Tadaos (156 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, 1912–1938 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Tadao: Baby Name Since 1912 - 295 Births, Peak 1920." NameAlmanac. Accessed via https://namealmanac.com/name/tadao. 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 Tadao 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.