Tadashi (ただし)
Tadashi is read ただし and has 3 beats. Our data lists 3 spellings: 忠, 惟司 and 惟史. All three are masculine. Some of them are on our hand-reviewed list of everyday names.
Reading
た·だ·し (3 beats)
Kanji spellings
3 in our data
Gender
Masculine
Source
Hand-reviewed list of everyday names and JMnedict, the open name dictionary
Kanji spellings of Tadashi
One sound can be written with different kanji. Each spelling below is a different name on paper.
- 忠ただしCommonMasculine
Loyalty
- 惟司ただしMasculine
Ponder + govern
- 惟(ただ)— ponder
- 司(し)— govern
- 惟史ただしMasculine
Ponder + history
- 惟(ただ)— ponder
- 史(し)— history
The kanji in Tadashi
What each kanji means on its own, and in how many of the spellings above it appears.
- 惟ponder2 spellings
- 忠loyalty1 spelling
- 司govern1 spelling
- 史history1 spelling
Tadashi with common surnames
Full names with a different spelling and surname on each card. Tap a card for the kanji breakdown.
Names that sound similar
Names that start or end with the same sounds.
Other names that use 忠 (loyalty)
Tadashi on our lists
Topic pages that include a spelling of this name.
Questions about Tadashi
Is Tadashi a boy's or a girl's name?
In our data every spelling of Tadashi is masculine.
What does Tadashi mean?
Tadashi is a sound, so the meaning comes from the kanji: 忠 reads as "loyalty", 惟司 reads as "ponder + govern" and 惟史 reads as "ponder + history". Those come from what each kanji means by itself, and parents may have had a fuller picture in mind.
How many ways can Tadashi be written in kanji?
Our data lists 3: 忠, 惟司 and 惟史. Other spellings exist, so ask how a person writes their own name before you write it for them.
How do you pronounce Tadashi?
ただし is 3 beats: た · だ · し. Give every beat the same length and keep vowels short and clear; Japanese has no stressed syllable the way English does.
Where this comes from
The spellings are from our hand-reviewed list of everyday names and from JMnedict, the open Japanese name dictionary. Meanings are built from what each kanji means on its own, so they describe the characters, not what a particular family had in mind.
How we check names · Content last reviewed: 2026-11-08.
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