Boys' name · since 1912
Tadashi
Tadashi has 676 recorded births since 1912 in federal Social Security data, most heavily in 1922 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #6,589 of 45,481
- all-time among boys
- #7,224 of 13,930
- 2025 SSA year
- 676
- born since 1912
- 1920s
- peak decade
676 babies have been named Tadashi since 1912, making it today's #7224 boys' name.
Tadashi has 676 recorded births among boys since 1912, per the U.S. Social Security Administration, ranked #7224 as of the latest data, more common than 48% of boys, 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 1912 to 2025.
- #6,589 of 45,481 all-time among boys
- #7,224 of 13,930 2025 SSA year
- 676 born since 1912
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Tadashi ranks #6,589 of 45,481 boys' names by all-time recorded births (highest first) and #7,224 of 13,930 among boys' names in 2025. 676 born since 1912, peaking in the 1920s.
- #6,589 of 45,481
- all-time among boys
- #7,224 of 13,930
- 2025 SSA year
- 676
- born since 1912
- 1920s
- peak decade
Tadashi's 676 recorded births place it above 85.51% of the 45,481 boys names in the full SSA archive.
The state file records this name in 3 jurisdictions, led by Hawaii.
How Tadashi compares
676 Top 38% higher than 62% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Tadashi's all-time total is 83% above the median boys name, and Liam still leads by a wide margin.
| Metric | Tadashi | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 676 | 369 | 358,536 |
| Peak-year births | 35 | 34 | 22,252 |
Tadashi's usage pattern, beyond the headline number
Divide Tadashi's SSA record in two at 1935 and the more recent half accounts for 31% of all births, the earlier half the remaining 69%, consistent with a name more common in the past than in recent years. Its calmest year was 1938, with only 5 births recorded -- set against the 1922 peak of 35, that's the full swing in one name's fortunes.
Tadashi popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–2025
- Peak year (1922)
- 35
- Annual births at peak, across 114 years of records
Tadashi by decade
1920s is the heaviest window (255 births, 38% of the file).
1920s was Tadashi's strongest decade.
255 babies received the name during that ten-year window, about 38% of all-time use.
Tadashi births by decade
Total births in each ten-year window
- 1910s
1910s
156 births
- 1920s
1920s
255 births
- 1930s 81
1930s
81 births
- 1940s 6
1940s
6 births
- 1970s 20
1970s
20 births
- 1980s 13
1980s
13 births
- 1990s 7
1990s
7 births
- 2000s 15
2000s
15 births
- 2010s 53
2010s
53 births
- 2020s 70
2020s
70 births
What this shows Peak: 1920s at 255 births (38% of all-time use).
How Tadashi compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Tadashi's total volume
Tadashi by state
Where Tadashi concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 264 | 39.1% |
| #2 | California | | 159 | 23.5% |
| #3 | Washington | | 5 | 0.7% |
264 of 676 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
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Where does Tadashi sit in the SSA name archive? ▼
When was Tadashi most popular? ▼
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What to do with Tadashi's data
- Tadashi's decade-level peak was the 1920s (255 total births); usage has since declined to 70 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Tadashis (264 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 Tadashi
Nearby Names Like Tadashi
Names with a similar sound, spelling, or feel to Tadashi
Compare Tadashi side by side: Tadashi vs Tad Tadashi vs Tadeo Tadashi vs Tadd
Related Names
Names with a similar popularity rank to Tadashi
Nationwide names with similar peak year or record span
Two nationwide peer axes for Tadashi: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1922)
Similar record span (~113 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, 1912–2025 (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 Tadashi 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.