A distinctive pick — fewer than 1 pets share this name.
A Scottish surname meaning 'Saint Clair' or 'bright'.
Sinclair brings Scottish heritage and quiet sophistication. It feels like a name a literary character would have, refined and a little reserved. The unisex quality works on a pet of any gender, though it has a slightly feminine lilt here. Best for an elegant, observant cat or a graceful sighthound.
Pets named Sinclair are most often described as:
Trait order based on owner reports across pet registries.
Sinclair is a well-known pet name with 1 registered pets. Pets named Sinclair are often described as sophisticated, elegant, observant.
Sinclair is more commonly given to female pets, though it can be used for any pet.
Last updated May 2026 · Data: NYC & Seattle pet licensing records · Methodology