Tadashi
First Name Meaning, Usage, Popularity & Related Names
Tadashi is a Japanese name meaning “correct”. It is a rare name, overwhelmingly used for boys, with 100% male usage.
Meaning & Origin of the name Tadashi
Tadashi is a traditional and highly regarded Japanese male name. Its meaning can vary depending on the specific kanji characters used, but the most common interpretations include "correct," "right," "accurate," "loyal," or "faithful." This name carries a strong cultural emphasis on integrity, honesty, and adherence to principles.
Meaning Comments
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Gender Usage of the Name Tadashi
Overall Gender Classification Methodology
Tadashi is overwhelmingly used as a name for boys. Approximately 100% of recorded bearers are male. This classification is supported by a large number of recorded bearers.
Popularity of the Name Tadashi
Note: Green bars show popularity (% of births); the violet line shows historical ranking. Data is based on official government birth records. Click any chart to view details by year and region.
Overall PopularityMethodology
Tadashi is listed under Rare Boy Names worldwide. Its popularity varies considerably across the available regional markets, with the strongest usage in Canada.
| Region | Popularity | Birth Frequency |
|---|---|---|
| United States | Extremely-Rare | 1 in every 2,500M births |
| United Kingdom | Extremely-Rare | 1 in every 1,667M births |
| Canada | Uncommon | 1 in every 1.60M births |
| Australia | — | — |
Ranking OverviewMethodology
Tadashi ranked #10,070 on the Popular Boys’ Names Worldwide List (2025). This year the name appears in the official list for this region after being absent in the prior official year. Newly recorded in the latest official lists, Tadashi shows early signs of usage.
Historically, its best recorded position was #449 in 1935. Its lowest recorded position was #10,070 in 2025. Over the last 29 years (1996–2025) the name fell -3357 places (from #6,713 to #10,070).
Name StyleMethodology
Tadashi is classified as Vintage Boy Names because its historical peak was 1917, followed by a decline to 0% of that peak and a recent recovery to 11x the preceding level.Characteristics of the Name Tadashi
Pronunciation & StructureMethodology
- Phonetic Source
- CMU
- Syllables
- 3 syllables — Three-Syllable Boy Names
- Length
- 7 letters — Long Boy Names
- Starts with
- T — Boy Names Starting with T
- Ends with
- i — Boy Names Ending in “i”
Name AestheticMethodology
Tadashi is a three-syllable name with a medium-high-low stress pattern. Its association with the fictional character Tadashi Hamada from the film Big Hero 6 provides it with a grounded, Strong & Powerful aesthetic. The crisp onset consonant combined with the vowel-heavy conclusion gives it a distinct, authoritative sound.
Middle Names For Tadashi
Middle names used with TadashiMethodology
Tadashi is most frequently used with these boy middle names: Tadashi Christopher · Tadashi Myles · Tadashi Omari
Middle name suggestions for TadashiMethodology
Based on observed first-middle-name pattern combinations, Tadashi is most frequently associated with boy middle names that have 2 syllables, Strong–Weak stress pattern, 5 letters, and a starting sound of “d”.
Examples: Tadashi David · Tadashi Devon · Tadashi Dylan · Tadashi Derek · Tadashi Dewey. View all 140 suggested middle names.
Names Similar to Tadashi
Spelled Like Tadashi Finder
Names with similar spelling patterns and letter sequences: Tadayoshi
Same Starting Sound Finder
Names that begin with a similar phonetic sound: Thomas · Timothy · Tyler · View all Top 100 names
Rhymes With Tadashi Finder
Names that share similar ending sounds and rhymes: Anthony · Timothy · Jeffrey · View all Top 100 names
Same Rhythm & Syllables Finder
Names with matching syllable stress and pronunciation rhythm: Isaiah · Alfredo · Alfonso · View all Top 100 names
More Info
How to Spell Tadashi in ASL
- T
- a
- d
- a
- s
- h
- i
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