Margo sits at rank 1,515 with 69 records, a name that's been quietly ascending in both human and pet registries. It's the French-inflected version of Margaret — shorter, cooler, with a faint Continental edge that Margaret never quite pulled off.
The Wes Anderson Effect
Margot Tenenbaum from The Royal Tenenbaums did more for this name than a century of human usage managed. The movie gave Margo (and its -ot spelling variant) a specific aesthetic: composed, slightly melancholy, effortlessly stylish. Dog owners drawn to that energy tend to apply it to pets with similarly aloof demeanors — cats pick it up more than dogs, but Greyhounds and Whippets fit the Margo mold well.
Two Spellings, One Name
The registry splits between Margo and Margot. The -o ending feels slightly more casual and pet-friendly; the -ot ending leans more formal and literary. Either works. The human name page at /names/margo tracks both variants and shows a name with genuine momentum — which means Margo on a pet reads contemporary, not throwback.
The Aloof Dog Name
Margo implies a dog that sits with dignity, tolerates your affection on her terms, and exits a room when the energy gets too chaotic. Whether or not the actual dog delivers on that promise is between the dog and its owner. The name, at least, holds up its end.