The Name Cai


Cai is a Welsh boy’s name and it is particularly popular with parents looking for a name for their child.

Meaning/Origin of the Name

 A variant of Sir Kay, King Arthur’s foster brother and a prominent figure in Arthurian mythology. This link to legendary tales adds a touch of chivalry and adventure. Cai was thought to have magical powers and was one of Arthur’s 2 faithful companions. 

Another possible origin of the name is a diminutive form of the Roman name Caius, meaning “rejoice” or “happy.” This connection evokes a sense of joy and optimism.

Popularity of the Name

Despite its long history, Cai is enjoying a modern resurgence in Wales. In 2022, it ranked as the 48th most popular baby name for boys, making it the 12th most popular among specifically Welsh names. This trend seems poised to continue, indicating the enduring appeal of Cai.

Cai is also a common Chinese surname.

Famous People Called Cai

  • Cai Griffiths: is a London Irish rugby player who previously played for the Ospreys.
  • Cai Brigden: is an actor who has starred in the TV series Casualty.
  • Cai Devine: A Welsh rugby player known for his speed and skill.
Several people with the name Cai play rugby
Several people with the name Cai play rugby

There are not too many famous people called Cai, if you know of anyone who we’ve missed post your suggestions at the bottom of this page.

Symbolism:

The literal meaning of “rejoice” or “happy” imbues Cai with positive connotations. Additionally, its association with legendary figures like Sir Kay suggests qualities of bravery, loyalty, and nobility.

Resources

See our comprehensive list of Welsh boys’ names ideal if you are looking for a name for your baby.

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