Blanca ranks #825 with 141 female registrations. The name is the Spanish word for white and on a pet license usually functions as a transparent descriptor: a white-coated cat or dog whose owners chose the meaningful Spanish form rather than the literal English Whitey.
The descriptor-as-name pattern
Blanca sits in the cluster of color-meaning pet names that work better in another language: Bianca (Italian white), Negra (Spanish black), Blue (English). The non-English form gives the descriptor a softer, more intentional register than the literal translation. Blanca lands with notable concentration on white-coated breeds: West Highland terriers, Maltese, white German shepherds, and Persian cats. See maltese names for the cluster.
Sound and household register
Two syllables, front-stressed (BLAHN-ka), with a hard B opening and an open -a close. The name calls well outdoors with a confident rhythmic quality. Blanca skews toward Spanish-speaking and bilingual households where the Spanish color word feels natural rather than affected. The human Blanca page shows steady but modest SSA presence, primarily in Hispanic-American communities.
The counter-reading
The honest read is that Blanca is a literal descriptor, and like all descriptor names it can age awkwardly if the household forgets the original logic or if the white coat grays significantly with age. Households who want the same Spanish-language warmth without the color-lock might consider Luna (moon) or Estrella (star).