Top 5 Largest/Biggest Maine Coon Cats in The United States

As one of the most ancient natural domestic cat breeds in the United States, the Maine Coon cat is primarily known for its size and dense coat of fur. Also referred to as "the gentle giant," the Maine Coon can survive in the harsh climate of its state or origin, Maine, thanks to the large feline's dense coat of fur. Moreover, Maine Coon is one of the most popular cat breeds among cat lovers in the United States. Often cited as possessing 'dog-like' characteristics, this feline can get incredibly big beyond imagination. Male Maine Coon cats are typically larger than females.

A Maine Coon Cat's Average Size

On average, full-grown males usually weigh from 5.9 to 8.2 kg, with females weighing between 3.6 - 5.4 kg. Both male and female Maine Coons can reach a length of up to 40 inches. Female Maine Coons can stand at approximately 8-14 inches tall, with males standing about 10 -16 inches tall. With that in mind, here are the top five largest and biggest Maine Coon cats so far in the United States.

1. Stewie

Since 2010, Stewie has remained the largest Maine Coon cat of all time. According to the Guinness World Records, the male purebred Maine Coon cat measured 123 cm from the tip of his nose to the tip of his tail alone measuring 16 inches, Stewie was also the world record-holder of the cat with the longest tail. 

Sadly on February 4th, 2013, Stewie, whose full name was Mymains Stewart Gilligan, passed away at the age of eight from cancer at his home in the state of Nevada. According to Stewie’s owners, Robin Hendrickson and Erik Brandsness, the cat just grew larger and larger without any special diet. Furthermore, no unusual steps were taken in Stewie's breeding, according to his owners.

2. Cygnus and Arcturus

Second on the list are these two record-breaking cats: Cygnus, a silver Maine Coon cat and Arcturus, a Savannah cat. Cygnus held the world record for the domestic cat with the longest tail, which measured 44.66 cm, while his brother Arcturus, held the record for the Tallest domestic cat in the world, standing 48.4 cm tall. Unfortunately, the two gentle giants tragically died when their house caught fire on November 12, 2017, in Farmington Hills, Michigan, United States. 

According to sources, the pair's owners, Lauren and Will were forced to leave the building after risking their lives to rescue Cygnus and Arcturus. Will told WGR that he left doors and windows open hoping the cats would find a way out but they sadly didn't.

3. Samson the Main Coon cat

Samson was considered one of the biggest Main Coon cats in New York, United States, until his tragic passing on the 9th of July 2022. Known on Instagram as "Catstradamus," Samson was measuring four feet in length and weighed 28 pounds. Samson was a social media star with more than 200k followers on Instagram alone. The gigantic feline's sweet nature and slightest meow were adored by many fans. Unfortunately, Sammy, as his owner, Jonathan Zurbe, used to call him, died in July 2022. 

According to Jonathan, Samson was mortally wounded by a Vet Tech at the age of 10. Samson was described by his owner as a beautiful, loving and intelligent Maine Coon Cat.

4. Mr. Gentle Giant Cat

In 2018, a US Redditor posted the above photo, comparing the size of his Maine Coon cat to his American Shorthair cat. The photo of the two adorable cats received more than 70k upvotes and 1k comments. According to the cats' owner, the Maine Coon was 9 and was weighing 20 lbs when he took the photo.

5. Chelle the Maine Coon

Chelle is a 15 pound smoke silver Maine Coon living with her owner, Gary H., in Hawaii, United States. Chelle might not be as large as the other record-breaking cats on this list. However, her incredible personality makes up for it!