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Science & Nature • Cat Breed

Cornish Rex

The Cornish Rex is a breed of domestic cat known for its short, soft, wavy coat and slender, fine-boned build.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The Cornish Rex is a breed of domestic cat known for its short, soft, wavy coat and slender, fine-boned build. It originated in Cornwall, England, in 1950 from a natural genetic mutation, and later became established as a distinct breed. The breed is recognized by major cat associations and is often described as active, affectionate, and intelligent.

History

The Cornish Rex originated in Cornwall, England, when a curly-coated kitten later named Kallibunker was born in 1950. Breeding efforts from that cat established the breed, and it was later developed into a recognized cat breed in the United Kingdom and the United States.

Appearance

Cornish Rex cats are slender, fine-boned cats with long legs, large ears, an arched back, and a whippy tail. Their coat is very short and soft, with a distinctive wavy texture and little or no guard hair.

Temperament

Breed descriptions commonly describe the Cornish Rex as active, social, intelligent, and affectionate. They are often noted for enjoying human interaction and handling.

Recognition and breed status

The Cornish Rex is recognized by major cat organizations, including the Cat Fanciers’ Association and The International Cat Association. It is also identified as the original Rex cat breed.

Key facts

  • The breed began with a curly-coated kitten born in Cornwall in 1950.
  • The Cornish Rex’s coat is caused by a natural mutation and is made up of fine, short, wavy hair.
  • It is known for a slim body, large ears, and a distinctive arched back.
  • The breed is considered the oldest of the Rex cat breeds.
  • Cornish Rex cats are commonly described as intelligent, playful, and affectionate.
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Canadian context

The breed is recognized by the Canadian Cat Association and is familiar to Canadian cat breeders and pet owners.

Frequently asked questions

What is a Cornish Rex?
A Cornish Rex is a domestic cat breed known for its short, curly coat and slender body.
Where did the Cornish Rex originate?
It originated in Cornwall, England, in 1950.
Why does the Cornish Rex have a curly coat?
Its coat comes from a natural genetic mutation that affects hair structure.
Is the Cornish Rex the same as the Devon Rex?
No. They are separate breeds that developed from different mutations and were later distinguished as different Rex breeds.
How long do Cornish Rex cats live?
They commonly live around 15 to 20 years.
Is the Cornish Rex recognized by cat registries?
Yes. It is recognized by major cat associations such as the CFA and TICA.

References

  1. Canadian Cat Associationhttps://www.cca-afc.com/Breeds/Default?Code=CR
    Supports: Origin in Cornwall in 1950; Kallibunker; breed characteristics; recognition context
  2. Cat Fanciers' Associationhttps://cfa.org/breed/cornish-rex/
    Supports: Breed description, coat, body type, temperament
  3. The International Cat Associationhttps://tica.org/breed/cornish-rex/
    Supports: Breed description, body type, origin as a natural mutation
  4. Wikipediahttps://en.wikipedia.org/wiki/Cornish_Rex
    Supports: General overview; origin in Cornwall; breed as domestic cat