Total births
676
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.
- #8361
- among boys today
- 676
- born since 1912
- 1920s
- peak decade
- 42%
- more common than other boys
676 babies have been named Tadashi since 1912, making it today's #8361 boys' name.
Tadashi has 676 recorded births among boys since 1912, per the U.S. Social Security Administration, ranked #8361 as of the latest data, more common than 42% 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.
- #8361 among boys today
- 676 born since 1912
- 1920s peak decade
- 42% more common than other boys
Data updated Jun 2026
The verdict
Tadashi is currently the #8361 boys' name in America, more common than 42% of boys - 676 born since 1912, peaking in the 1920s.
- #8361
- among boys today
- 676
- born since 1912
- 1920s
- peak decade
- 42%
- more common than other boys
Tadashi vs. every other boys name in current SSA rankings
#8361
of 14,294 boys in use
More common than 42% of names given to boys today.
1920s
Peak decade
38% of everyone ever named Tadashi was born in this single decade.
1922
Single peak year
35 babies were named Tadashi in 1922 - its busiest year on record.
How Tadashi compares
676 Top 38% higher than 62% of 14,294 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 84% above the median boys name, and Liam still leads by a wide margin.
| Metric | Tadashi | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 676 | 367 | 358,536 |
| Peak-year births | 35 | 23 | 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 at a glance
Outside the top 1,000Peak year
1922
Current rank
#8,361
Active since
1912
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
Total births in each ten-year window, peak vs trough at a glance
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 vs 15 similarly-sized boys names
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% |
Hawaii share of Tadashi's total US births 39.1%
Even split
264 of 676 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
How popular is the name Tadashi? ▼
676 babies have been named Tadashi since 1912. It currently ranks #8361 among boys. The peak year was 1922 with 35 births.
When was Tadashi most popular? ▼
Tadashi was most popular in the 1920s decade with 255 total births. The single peak year was 1922.
Where is Tadashi most popular? ▼
The top states for the name Tadashi are Hawaii (264 births), California (159 births), Washington (5 births).
How long has the name Tadashi been used? ▼
Tadashi has been recorded in Social Security data since 1912, spanning 114 years of data through 2025.
What names are similar to Tadashi? ▼
Names with a similar sound or spelling include Tad, Tadeo, Tadd, Tadhg, and 4 more. These share a common prefix and are also used for boys.
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
- 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.
Keep exploring Tadashi
Nearby Names Like Tadashi
Names with a similar sound, spelling, or feel to Tadashi
Tad Boy
#7293 6,929 births
Tadeo Boy
#412 5,843 births
Tadd Boy
1,457 births
Tadhg Boy
#3078 613 births
Tadeusz Boy
#12441 423 births
Compare Tadashi side by side: Tadashi vs Tad Tadashi vs Tadeo Tadashi vs Tadd
Related Names
Names with a similar popularity rank to Tadashi
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, 1912–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Tadashi: #8361 Boys' Name - 676 Births, Peak 1922." NameAlmanac. Accessed via https://namealmanac.com/name/tadashi. 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 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 June 2026.