Izzy

Izzy is a diminutive most commonly associated with Isabel or Isabella, from the Hebrew Elisheba, meaning "my God is an oath" or "devoted to God." It also serves as a nickname for Isidora, Ismara, and other names beginning with Is-. As a standalone name, Izzy carries a breezy, playful informality that makes it feel perpetually young and friendly.

Izzy ranks #169 among America's most popular pet names, and it is hard to say without smiling. The doubled Z has an inherent buzz of energy that suits companions who are lively, curious, and seemingly always in motion. Izzy has a friendly informality that makes it feel like a pet name rather than a repurposed human name — breezy and easy, with the kind of sound that carries well across a backyard or an apartment hallway. It works for any companion with a sparky, affectionate personality.