What origin is the name Kajus?

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

What are good sister names for Kajus?

Names from the same latin tradition pair naturally with Kajus — for example Olivia, Ava, Emily. You can browse more on our latin names page.

Is it Kajus or Cajus?

Both spellings are used. Kajus means "Means "rejoice"; a Latin-derived name signifying happiness and joy."; Cajus is listed with the meaning "Rejoice". 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.

Kajus

Discover the meaning and origin of the name Kajus

Kajus

Boy

Latin

2 syllables

Kajus is a Latin boy's name meaning "Means "rejoice"; a Latin-derived name signifying happiness and joy".

Kajus is a boy's name of Latin origin meaning "Means "rejoice"; a Latin-derived name signifying happiness and joy". It has 2 syllables.

Origin: Latin
Gender: Boy
Syllables: 2

Last updated 24 October 2026.

What does Kajus mean?

Means "rejoice"; a Latin-derived name signifying happiness and joy.

How popular is Kajus?

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

Quick answers about Kajus

What does Kajus mean?

Kajus is a boy name of Latin origin meaning "Means "rejoice"; a Latin-derived name signifying happiness and joy.".

How popular is Kajus?

We have no birth-record ranking for Kajus: 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 Kajus

Olivia Ava Emily Grace Victoria Camila

How to say Kajus

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Name numerology

4is the Chaldean number for Kajus.

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

More names with number 4

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

Compare Kajus with other names

Combine Kajus with another name

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

Other spellings of Kajus

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

Cajus — "Rejoice" (International)

Compare Kajus with Cajus

Kajus at a glance

Letters: 5
Syllables: 2
Starts with: K
Ends with: -us
Vowels: 2 of 5 letters

5-letter boy names

Which names have a similar meaning to Kajus?

Kajus means "Means "rejoice"; a Latin-derived name signifying happiness and joy." — these names share that spirit.

Emily — "Emily comes from the Roman family name Aemilius, probably from the Latin aemulus, meaning 'rival' or 'eager to excel'." (Latin)
Oliver — "Oliver probably comes from the Latin oliva, 'olive tree', though it may also come from a Germanic or Norse name." (Latin)
Mason — "Mason is an English surname for a stoneworker, from the Old French masson. It is now used as a first name." (English)
Olivia — "Olivia comes from the Latin oliva, 'olive'. The olive branch is a symbol of peace. Shakespeare used it in Twelfth Night." (Latin)
Michael — "Michael comes from the Hebrew Mikha'el, a question meaning 'who is like God?'. It is the name of an archangel." (Hebrew)
James — "James comes from the Late Latin Iacomus, a form of Jacob, from the Hebrew Ya'aqov, 'holder of the heel'. Two apostles bore it." (Hebrew)
Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
Mia — "Mia is a Scandinavian and German short form of Maria. In Italian and Spanish, mia also means 'mine'." (Scandinavian)