Bear is what owners reach for when the dog is large enough that the joke isn't really a joke. With 1,819 entries at rank #40, Bear concentrates on Newfoundlands, Saint Bernards, Bernese Mountain Dogs, and the larger Golden Retrievers — breeds where the dog actually weighs as much as a small bear. The name is descriptive, not aspirational. The dog is bear-sized, so the dog is named Bear.
The big-dog naming logic, in single-word form
The dataset shows a small but coherent cohort of single-syllable noun names that owners use almost exclusively on large dogs: Bear, Tank, Moose, Hulk. Of these, Bear is the most popular by a wide margin, partly because it's the only one that reads as warm rather than aggressive. A dog named Tank announces a personality; a dog named Bear just announces a size. Owners who want the size signaling without the temperament signaling reach for Bear specifically.
What's worth noticing is the cross-species pattern. Bear performs surprisingly well on long-haired cats — Maine Coons especially, where the breed's size and ruff can legitimately read as small-bear-shaped. Cat owners who name a Maine Coon Bear are doing the same descriptive work as the Newfoundland owners. The species changes; the logic doesn't.
The phonetic profile
Single syllable, hard B opening, R consonant ending. Bear is recall-strong — the structure is exactly what training books recommend, with the bonus of being a real common noun the dog can hear in conversational context without confusion. Owners of high-drive working breeds who need actual recall function pick Bear at meaningfully higher rates than other warm one-syllable alternatives.
Bear isn't a baby name
Bear sits well below the SSA top 1000, with rare exceptions in the celebrity-baby register. American parents read the name as too definitionally an animal noun to function as a first name. That gives pet owners essentially uncontested access. The pet-only ownership pattern matters for owners worried about household overlap — Bear joins the safe pool alongside Buddy, Princess, and Lucky. The baby Bear page shows minimal human use.