Cupid is the Roman god of love — and, more pressingly for contemporary pet naming, one of Santa's reindeer. Both associations are warm and seasonal, which gives the name an unusual amount of cultural goodwill built in before the animal has done anything to earn it. Male pets dominate the registry data, which aligns with both mythological sources.
The February Adoption Pattern
Like Valentine, Cupid appears in pet registries with a seasonal bump that correlates with Valentine's Day adoptions. Shelter pets adopted in February as love-gifts carry this name at higher rates than chance would suggest. The name has a sweet logic in that context — a newly adopted dog named Cupid is essentially wearing his origin story on his collar.
The Reindeer Register
Santa's reindeer names occupy a specific cultural niche in pet naming: cheerful, instantly recognizable, slightly nostalgic, and almost exclusively applied by people who got their pet during or near the December holiday season. Cupid is the outlier in that set — it works in February too, which makes it more versatile than Dasher or Prancer. Beagles show up with this name more than their statistical share, possibly because of their general small-dog holiday charm.
Counter-Read
Cupid is firmly in the sweet-and-playful register. A Rottweiler named Cupid is a joke that lands once and then becomes slightly tiring. For the same mythological-love territory with more weight, Eros or Venus carry the concept differently.