What origin is the name Tadasu?

Tadasu comes from Japanese naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Tadasu?

Names from the same japanese tradition pair naturally with Tadasu — for example Aya, Emi, Yuna. You can browse more on our japanese names page.

Tadasu

Discover the meaning and origin of the name Tadasu

Tadasu

Boy

Japanese

3 syllables

Tadasu (理) is a Japanese boy's name meaning "From 'tada' (loyal) and 'su' (pure). A masculine name meaning one whose loyalty is untainted and genuine.".

Tadasu is a boy name of Japanese origin meaning "From 'tada' (loyal) and 'su' (pure). A masculine name meaning one whose loyalty is untainted and genuine.". It has 3 syllables.

Native script: 理
Origin: Japanese
Gender: Boy
Syllables: 3

Last updated 24 October 2026.

Meaning

From 'tada' (loyal) and 'su' (pure). A masculine name meaning one whose loyalty is untainted and genuine.

Popularity

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Written as 理

Quick answers about Tadasu

What does Tadasu mean?

Tadasu is a boy name of Japanese origin meaning "From 'tada' (loyal) and 'su' (pure). A masculine name meaning one whose loyalty is untainted and genuine.".

How popular is Tadasu?

We have no birth-record ranking for Tadasu: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Tadasu

Aya Emi Yuna Sakura Kaori Aiko

How to say Tadasu

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Name numerology

1is the Chaldean number for Tadasu.

Number 1 is linked with leadership, independence and new beginnings.

More names with number 1

Numerology is a cultural tradition for fun, not a prediction.

Combine Tadasu with another name

Our free name combiner blends two names into new baby name ideas.

Names with a similar meaning to Tadasu

Tadasu means "From 'tada' (loyal) and 'su' (pure). A masculine name meaning one whose loyalty is untainted and genuine." — these names share that spirit.

Michael — "Michael comes from the Hebrew Mikha'el, a question meaning 'who is like God?'. It is the name of an archangel." (Hebrew)
Emily — "Emily comes from the Roman family name Aemilius, probably from the Latin aemulus, meaning 'rival' or 'eager to excel'." (Latin)
Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
Elizabeth — "Elizabeth comes from the Hebrew Elisheva, meaning 'my God is an oath'. It is the name of John the Baptist's mother." (Hebrew)
Avery — "Avery is an English surname from the Norman form of Alberich, a Germanic name meaning 'elf ruler'." (English)
Aubrey — "Aubrey comes from the Norman French form of Alberich, a Germanic name meaning 'elf ruler'. It was a boy's name before it became unisex." (English)
Grace — "Grace comes from the English word grace, from the Latin gratia, meaning 'favour' or 'kindness'. Puritans used it as a virtue name." (Latin)
Ashley — "Ashley comes from an English place name meaning 'ash tree meadow', from the Old English aesc and leah." (English)