Boys' name · since 1914
Sadao
Since 1914, U.S. Social Security records show 244 babies named Sadao, peaking in 1926. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #11,830 of 45,481
- all-time among boys
- 244
- born since 1914
- 1920s
- peak decade
244 boys have been named Sadao since 1914, though it isn't currently a top-ranked name.
Social Security Administration records show Sadao recorded 244 times among boys since 1914, 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 1914 to 1934.
- #11,830 of 45,481 all-time among boys
- 244 born since 1914
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sadao ranks #11,830 of 45,481 boys' names by all-time recorded births (highest first). 244 born since 1914, peaking in the 1920s.
- #11,830 of 45,481
- all-time among boys
- 244
- born since 1914
- 1920s
- peak decade
Sadao's 244 recorded births place it above 73.98% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by Hawaii.
Sadao's usage pattern, beyond the headline number
Splitting Sadao's full recorded timeline at 1924, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1914, with just 5 recorded births -- worth weighing against the 1926 peak of 22 to see the full range of the name's swing in popularity.
Sadao popularity over time
Annual U.S. births registered with the Social Security Administration · 1914–1934
- Peak year (1926)
- 22
- Annual births at peak, across 21 years of records
Sadao by decade
1920s is the heaviest window (140 births, 57% of the file).
1920s was Sadao's strongest decade.
140 babies received the name during that ten-year window, about 57% of all-time use.
Sadao births by decade
Total births in each ten-year window
- 1910s
1910s
68 births
- 1920s
1920s
140 births
- 1930s 36
1930s
36 births
What this shows Peak: 1920s at 140 births (57% of all-time use).
Sadao by state
Where Sadao concentrates geographically, total births since 1914
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 156 | 63.9% |
| #2 | California | | 17 | 7.0% |
156 of 244 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Sadao? ▼
Where does Sadao sit in the SSA name archive? ▼
When was Sadao most popular? ▼
Where is Sadao most popular? ▼
How long has the name Sadao been used? ▼
What names are similar to Sadao? ▼
What to do with Sadao's data
- Sadao's decade-level peak was the 1920s (140 total births); usage has since declined to 36 in the 1930s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Sadaos (156 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sadao
Nearby Names Like Sadao
Names with a similar sound, spelling, or feel to Sadao
Compare Sadao side by side: Sadao vs Sadiq Sadao vs Sadie Sadao vs Sadler
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sadao: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1926)
Similar record span (~20 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1914–1934 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Sadao 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 August 2026.