I came here to say this! I don’t have cats, but my dogs know other people’s names even though I never taught them those names directly!

Animals are smarter than humans realize.

That was my first reaction: what? Cats know names. Then... ohhh. Because it's just her and the cat. The cat wouldn't know your name if no one else is there to call you by it. Then, felt a bit sad. But not too sad, because cats are better than people anyway.