Moonlight is a nature-compound name — moon plus light — that lands at the romantic, slightly mystical end of the pet-naming spectrum. The word has been a poetic touchstone for centuries, and the 2016 Barry Jenkins film gave it renewed cultural weight. On a pet, Moonlight suggests an animal acquired at night, or one with a luminous coat, or simply an owner with a poetic sensibility.
Film Association
Moonlight (2016) won the Academy Award for Best Picture and is considered one of the most visually and emotionally distinctive American films of the decade. A pet named Moonlight in the years since carries that association for cinephile owners — a quiet tribute that most people won't catch. Russian Blue cats and silver-coated dogs suit the name's luminous quality.
Coat-Color Motivation
Most Moonlight registrations likely reflect a pale coat — a white or silver dog or cat whose color immediately suggested the name. This is a visually motivated name, which means it requires the right animal to carry it without irony. Samoyeds and white Persians are the obvious candidates.
The Counter-Reading: Long for Daily Use
Moonlight is three syllables and difficult to shorten naturally. Moon works as a nickname, but it shifts the energy. Owners who love the full form need to be comfortable saying all three syllables at the dog park.