Informal pet form of Michelle (Hebrew via French, "who is like God"), used as an endearing diminutive.
Mishie is an informal pet form of Michelle, itself from Hebrew via French and meaning who is like God. The diminutive makes the name feel intimate, affectionate, and friendly, reducing the formal elegance of Michelle into something lighter and more playful.
Pet forms often carry more emotional warmth than strict etymology, and Mishie is no exception. As a given name, Mishie feels sweet and approachable. It has the kind of softness that can make a name seem immediately personable, almost like a nickname that has grown into an identity of its own. That makes it especially charming in modern use, where informal forms are sometimes embraced as full names because they feel warm and unpretentious.