What are good sister names for Kaius?

Names from the same unknown tradition pair naturally with Kaius — for example Kayleemarie, Tanzy, Kimmey. You can browse more on our unknown names page.

Is it Kaius or Caius?

Both spellings are used. Kaius means "Rejoice"; Caius is listed with the meaning "Rejoicer; a variant of gaius; which is a more common form of the name in britain. famous bearer: cambridges caius college is named after its founder, john caius". Families often choose the spelling that matches how the name is written in their language, or the one that is easiest to pronounce where they live.

Kaius

Discover the meaning and origin of the name Kaius

Kaius

Boy

Unknown origin

1 syllable

Kaius is an Unknown origin boy's name meaning "Rejoice".

Kaius is a boy's name meaning "Rejoice". It has 1 syllable.

Origin: Unknown origin
Gender: Boy
Syllables: 1

Last updated 24 October 2026.

What does Kaius mean?

Rejoice

How popular is Kaius?

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

Quick answers about Kaius

What does Kaius mean?

Kaius is a boy name of Unknown origin origin meaning "Rejoice".

How popular is Kaius?

We have no birth-record ranking for Kaius: 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 Kaius

Kayleemarie Tanzy Kimmey Sarabi Guyanne Aiysha

How to say Kaius

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Name numerology

4is the Chaldean number for Kaius.

Number 4 is linked with stability, hard work and loyalty.

More names with number 4

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Other spellings of Kaius

Parents also search for these spellings. Each has its own page with its meaning and origin.

Caius — "Rejoicer; a variant of gaius; which is a more common form of the name in britain. famous bearer: cambridges caius college is named after its founder, john caius" (Italian)

Compare Kaius with Caius