Hernandez appearing on a pet license is almost certainly a registration artifact — a last name entered where a pet name should go. That said, a small number of owners do use surnames as pet names deliberately, and Hernandez has the rhythm and weight to carry it.
Registry Artifact, Most Likely
At rank 2184 with just 44 registrations, Hernandez follows a familiar pattern in NYC and Seattle licensing data: owner surnames, street addresses, and placeholder entries slip through during registration. This is almost certainly one of those cases.
When Surnames Do Work as Pet Names
Surname-style pet names are a real aesthetic — think Cooper, Fletcher, or Cruz. Hernandez fits that bracket if an owner leans into the formality. A dignified Labrador or a no-nonsense German Shepherd could wear it. Browse the broader pet name directory if you want names in that register.
The Crossover Question
Hernandez as a pet name is a conversation starter precisely because it sounds so human. Owners who enjoy that friction — the deliberate mismatch of bureaucratic surname on a fluffy dog — will find it works better than expected.