Heidi ranks #343 with 351 entries and is one of the most Alpine-coded female pet names on the lower-mid chart. The name carries a strong storybook register — Swiss mountains, fresh air, small girl with goats — and the cultural anchor pulls a specific owner cluster.
The Johanna Spyri lineage
The 1881 novel Heidi by Johanna Spyri gave the name its dominant cultural anchor in English-speaking households, reinforced by multiple film adaptations across the 20th century. The story-and-mountain register has been remarkably durable. For owners over 40, the name still reads through the Shirley Temple 1937 film; for younger owners, the various Disney and live-action adaptations carry the same imagery.
Breed lean: the Alpine cluster
Heidi lands disproportionately on Alpine and German-origin breeds: Bernese Mountain Dogs, St. Bernards, German Shepherds, and Schnauzers. The cultural fit is direct. The name also lands well on small fluffy breeds with a storybook visual register.
Sound fit and the Klum counter-reading
Two syllables (HY-dee), front-stressed, with a soft H-opener and the trailing -ee. Recall is solid. One reading worth flagging: for owners under 40, Heidi Klum may read as the dominant anchor rather than the novel, and the model-and-Project-Runway register adds a different layer to the name. The human Heidi page shows a steady SSA presence with a small recent uptick.