Grey sits at rank 1314 with 83 registered pets — a clean, minimalist color name that has quietly moved from the design world into the pet registry. It's the kind of name you'd expect from someone whose apartment has exposed concrete and a Bluetooth speaker.
The Minimalist Color Aesthetic
Grey is a straight color name, and as such it's applied most naturally to silver-coated, blue-grey, or charcoal dogs. Weimaraners, whose ghostly silver coats are practically defining, are a natural fit, as are blue-grey French Bulldogs and Great Danes with merle or harlequin coloring. It's a name that does literal descriptive work without resorting to the more obvious Silver or Ash.
Human-Pet Crossover
Grey is climbing on the human side too, driven partly by the popularity of the surname Grey (as in Grey's Anatomy) and the broader trend toward single-syllable, gender-neutral names. The human name's profile lives at /names/grey. On a pet, the human-adjacent quality gives the name a slight elevated register — it doesn't feel like a standard dog name the way Rex or Fido does.
The Counter-Reading
Grey's minimalism is also its limitation: it doesn't carry any personality beyond a visual descriptor. If your dog is grey-coated, it's a precise and elegant choice. If your dog is tan or black, it reads as slightly arbitrary, and owners may spend more time explaining the disconnect than the name is worth.