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Dog Breeds

12 Fascinating Cavalier King Charles Spaniel Facts & Folklore

Nicole Cosgrove
By Nicole Cosgrove · Reviewed & fact-checked by Dr. Paola CuevasVet Approved
Dr. Paola Cuevas
Reviewed & Fact-Checked byDr. Paola CuevasVeterinarian
Dr. Paola Cuevas is our Senior In-House Veterinarian at Dogster and Pangolia. She has over 19 years of experience working with an array of species and loves sharing her knowledge and experience with our readers and aims to provide assistance with any issue presented by your non-human family members. She received her degree from the University of Guadalajara, Mexico.View authorThe information is current and up-to-date in accordance with the latest veterinarian research. Learn more
Updated on July 29, 2026
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cavalier charles king spaniel couple on grass

The Cavalier King Charles Spaniels are loving and affectionate companions with a fascinating history. Their adorable looks, interesting name, and personality all come with a story. They are one of the oldest Spaniel breeds, and their popularity dates back centuries and continues to grow today.

In this article, we’ll spotlight this adorable breed, so if you are thinking of adding one to your family, these fascinating facts should help seal the deal.

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The 12 Cavalier King Charles Spaniel Facts

1. Cavalier King Charles Spaniels Are Named After King Charles II of Britain

The name of this breed derives from King Charles II 1 of Great Britain, who ascended to the throne in 1661. During the English Civil Wars, his father's supporters were known as Cavaliers, and he continued to use the name as a political classification after he was proclaimed king.

Charles adored his Spaniels; he always surrounded himself with the dogs and took them everywhere.

Image Credit: BIGANDT.COM, Shutterstock

2. Politics Almost Caused This Breed to Vanish

As it turns out, King Charles II's affection for his Spaniels nearly destroyed the breed. After the king died without an accepted descendant, political strife and warfare gripped England, resulting in the establishment of a new ruling family. Being associated with the previous king's favorite dog breed was deemed politically risky, and so, as a result, Cavalier King Charles Spaniels became very rare while other breeds grew in popularity, such as the Pug.

The Second World War had a significant impact on this breed as well. Due to food and supply shortages, the once sizable breeding population diminished to only a few individuals.


3. The Cavalier King Charles Spaniel Has a Long History

Toy Spaniels that looked similar to today’s Cavalier King Charles Spaniel appeared in paintings and artwork as far back as the 16th century. Over time, the breed’s appearance changed, and dogs with shorter noses became more popular.

In the 1920s, an American named Roswell Eldridge offered prize money to breeders who could recreate the longer-nosed Spaniels seen in older artwork from the time of King Charles II. Breeders took on the challenge, and their efforts helped create the modern Cavalier King Charles Spaniel we know today. The breed was officially recognized in the United Kingdom in 1945 and later became popular in England and North America.

Image Credit: BJkenel, Shutterstock

4. The Cavalier King Charles Spaniel Is a Relatively New Breed in the Dog World.

In 1945, the British Kennel Club formally recognized the Cavalier King Charles Spaniel, but the breed is a recent addition to the American Kennel Club. They were accepted into the AKC, becoming its 140th recognized breed, a little more than half a century later, in 1995.2 They are, therefore, a relatively new breed, even though they descended from ancient Spaniels.


5. The Breed Was Once Used to Attract Fleas

Fleas were abundant during periods when plague outbreaks occurred in Europe. The nobles decided to keep their dogs close, to share their laps, and encouraged them to share their beds because, according to historical accounts and folklore, it was believed to help attract fleas. The fleas were thought to prefer the dogs’ coats and keep the fleas away from them, so their Cavaliers were used as “flea magnets,” but whether or not this method was successful is unknown.

Image Credit: Krissi Lundgren, Shutterstock

6. Cavalier King Charles Spaniels Come in Four Colors

According to the breed standard, the Cavalier King Charles Spaniel can only be found in four acceptable colors. These colors include Blenheim, which is typically the most popular color, tricolor, ruby, and black and tan, which is considered one of the less common color varieties.

A Blenheim coat has a white background with chestnut markings, a tricolor coat has black markings on a white background with tan markings on the eyes and cheeks, a ruby coat is red all over, and black and tan dogs have a black coat with tan markings above the eyes, on the cheeks, chest, legs, and underneath the tail.

The color of the coat will most likely influence the price of any Cavalier you find for sale.


7. This Breed Shares a Unique Trait Known as the Blenheim Spot

Most Cavalier King Charles Spaniels share the Blenheim spot. It is a chestnut-colored spot found in the center of the forehead. On August 13, 1704, the Duke of Marlborough won the Battle of Blenheim. The duke’s wife, Sarah, would console herself by stroking her pregnant Cavalier’s forehead, according to breed folklore, and her dog went into labor at the same time her husband won the battle.

According to the legend, each puppy was born with the same spot, and it was named the Blenheim Spot.

Image Credit: ErikaWittlieb, Pixabay

8. Cavalier King Charles Spaniels Are Among the Largest of Toy Breeds

Cavalier King Charles Spaniels were accepted into the American Kennel Club in 1995 and classified as a Toy Breed. The dogs are popular for their temperament and are predominantly lap dogs, which is why it makes sense that they are classified as a toy breed rather than a sporting breed.

They are, however, one of the largest dogs in the classification, typically reaching 12–13 inches tall and weighing up to 13–18 pounds. This category also includes Yorkshire Terriers, Maltese, and Chihuahuas.


The Cavalier King Charles Spaniel is regarded as one of the best companion dogs in America. They are patient, loyal, affectionate, great with children, and will quickly steal your heart with their large eyes and fluffy ears.

According to AKC registration statistics, the Cavalier King Charles Spaniel entered the top 20 most registered dog breeds in America in 2012 and has since risen in the rankings. Their popularity has continued to grow in recent years.

Image Credit: Alexas_Fotos, Pixabay

10. The Cavalier King Charles Spaniel Is a Smart Breed

Cavalier King Charles Spaniels are a highly intelligent breed. In a test conducted in 1994 by Stanley Coren for his book, The Intelligence of Dogs, Cavaliers ranked number 44 out of 138 breeds evaluated for working and obedience intelligence. The Cavalier King Charles Spaniels usually obeyed the first command 50% of the time.

The most intelligent dogs would obey 95% of the time, while the least intelligent would obey 25% of the time. While they are not the most intelligent dog on the list, they are also not the least competent. Their level of intelligence can make it easy for a dog owner to teach them new tricks and potty training.


11. The Cavalier King Charles Spaniel Excels as a Therapy Dog

A therapy dog must be affectionate and patient with humans, and a Cavalier King Charles Spaniel is often a good fit. They are loving and make incredible companions, and it is only natural that they would excel as therapy dogs.

Image By: TsElena, Shutterstock

12. They Are Not Always the Healthiest Breed.

Cavalier King Charles Spaniels are vulnerable to a few inherited health issues. The most common problems are syringomyelia, which is a nervous system disorder, and mitral valve disease, which is a heart condition. They are also prone to joint and eye problems.

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Final Thoughts

The Cavalier King Charles Spaniel is a charming breed that has captured people’s hearts since the 17th century. Their endearing characteristics, affectionate personality, and adorable appearance continue to win hearts today. These fascinating facts make it easy to understand why this breed is so popular today.

They make wonderful companions, and many also make excellent therapy dogs, and have an exciting history that will always make for an interesting conversation starter.

See also:

Sources

Featured Image Credit: Sue Thatcher, Shutterstock

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