Vivian appears 59 times in the registries at rank 1732, strongly female. The Latin root vivus (alive, living) gives the name an inherent vitality, which literally means "full of life", — which makes it a quietly apt choice for a pet whose primary function is to be vigorously alive in your home.
The Vintage Glamour Register
Vivian carries a specific mid-century glamour that never entirely faded: Vivien Leigh as Scarlett O'Hara and Blanche DuBois, Vivian Ward in Pretty Woman, the name's consistent presence in Old Hollywood. For pet owners, it reads as old-fashioned in the best sense — not tired, but seasoned. It belongs in the same category as Vivienne, Dorothy, and Blanche — names that feel like they belong to a more elegant era.
Human-Pet Crossover
The human name Vivian has been rising steadily in US naming data, which means the pet and human populations share the name with increasing frequency. For owners who love the name but have a Vivian in the family, the pet version offers an outlet. It suits cats and smaller dogs with a composed, self-possessed quality.
Counter-Reading
Vivian is three syllables — manageable but slightly long for quick daily recall. Most owners shorten it to Viv in practice, which works well. The name also skews strongly female; using it on a male pet would be an unusual choice that reads as deliberate commentary rather than a simple naming decision.