Boxer shows up on 24 licensed male pets at rank #3362 — and while you might expect this to be entirely Boxer-breed owners naming their dog after itself, the story is a little more interesting than that.
Self-referential breed names and how they spread
Naming a Boxer "Boxer" is a choice with a long history — it's essentially a tautology that owners find charming rather than lazy. The breed's name comes from the German word for the punching motion the dog makes with its front paws, so Boxer is already a personality description as much as a breed identifier. When the name spreads beyond the breed, it takes on a different register: strength, fighting spirit, resilience. A American Staffordshire Terrier named Boxer is drawing from the fighting-arts connotation rather than the breed name.
The sport and the name
Boxing as a sport produces names in the pet-name register — Rocky being the most famous, Boxer being the more literal. The combination of toughness and athletic grace that defines the sport translates well to active, muscular breeds. Bull Terriers, American Bulldogs, and Pitbull-type dogs appear alongside Boxers in the naming data. The word also has a clean, punchy sound — two syllables, hard consonants on both ends, no ambiguity.
Who picks Boxer
Often owners of athletic, energetic, or muscular breeds who want a name that matches the dog's physical presence. It's also a name that works in Animal Farm literary circles — George Orwell's Boxer the cart horse is one of literature's most memorable animal characters, and some owners arrive here through that reference. Compare Rocky, Bruiser, and Tank for the broader athletic-toughness register.