Lumi registers 62 times at rank 1653 with no gender skew. It's the Finnish word for snow, also used as a given name in Scandinavian and Finnish naming traditions. It carries a crisp, bright quality that makes it a natural choice for white-coated animals or any pet that arrived in a household's life during winter.
The Nordic-Light Connection
Lumi belongs with Niko and Sol in a small group of Nordic-origin names that have crossed into American pet naming via their clean sounds and elemental meanings. The Finnish association gives the name a Scandinavian coolness that feels current without being trendy. It's discovered rather than followed. The human-name context is at /names/lumi.
Sound and Who It Fits
LOO-mee is two syllables, bright and soft. The name works beautifully for white or silver-coated animals: Samoyeds, White Shepherds, Bichon Frisés. For cats, any white or pale-coated animal carries it with understated elegance. The gender-neutral distribution is appropriate: snow doesn't have a gender.
The Counter-Reading
Lumi is distinctive enough that most people won't know the Finnish source immediately, giving owners the pleasure of a small explanation that makes them look like thoughtful namers. The name works equally well for owners who found it purely for sound. The meaning is a bonus rather than a requirement.