Cajus

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Fact sheet

Name
Cajus
Gender
Boy name
Syllables
2

Cajus is a masculine first name that is considered an alternative spelling of the Roman name Gaius. Its meaning can be described as "the cheerful", "the pleasing", "the content", or "the joy".

What does the name Cajus mean?

The first name Cajus represents an alternative variant of the Roman Gaius. Translated, it stands for terms like "the cheerful", "the pleasing", "the content", or "the joy". This name is often connected to the joy that parents feel at the birth of their child. Its roots trace back to Etruscan and Latin, deriving from the Latin expressions gaudĕo, which means "rejoice", "enjoy", "delight", or "take pleasure in something", and gaudium, which means "the joy". Additionally, Cajus can also appear as a surname. Variants include Gaios, Caius, Kaius, Kajus, Kajusz, Kaio, and Caio. Feminine forms are Gaia, Kaia, Caia, Gaja, Kaja, Caya, and Kaya.

Where does the name Cajus come from?

The origin of the name Cajus lies in Roman and Latin, carrying the meaning "the cheerful". The etymological derivation is based on the Latin words gaudĕo, which means "rejoice, enjoy, delight, take pleasure in something", and gaudium, which expresses "the joy".

How do you pronounce Cajus?

The pronunciation of the name Cajus is two syllables and features a classic emphasis. It is typically pronounced as "Ka-yus" [ˈkaːjʊs], starting with an open, long A sound. The soft J connects with the ending "-us", giving the name an ancient sound. Cajus radiates both tradition and modernity – clear, structured, and present.

When is the name day of Cajus?

The name day for Cajus is celebrated on April 22.

Popularity

In Germany, Cajus enjoys great popularity, currently ranking 2,308 on the list of the most common male first names. Its best ranking was achieved in 2015 at 1,097. Over the last ten years, the name has been given approximately 200 times as a first name, placing it 1,561 in the ten-year statistics. From 2010 to 2024, it ranks 1,795.

Nicknames & pet names

Cai / Cajusi / Cajussu / Cajy / Casus / Chajus / Chayus / Gayus / Jusi

Similar first names

Famous people

  • Cajus Heinzmann (singer (Blumentopf)
  • Cajus Julius Caesar (German politician)
  • Cajus zu Stolberg-Stolberg (landowner)

Frequently asked questions about the name Cajus

What is the origin of the name Cajus?

Cajus has its roots in Roman and Latin and means 'the cheerful'.

What does the first name Cajus mean?

The name Cajus stands for terms like 'the cheerful', 'the pleasing' and is often associated with the joy that parents feel at the birth of their child.

How popular is the name Cajus?

Cajus enjoys a certain popularity, especially in specific regions and among parents looking for a traditional yet uncommon name.

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