Snape's Patronus was a doe, the same as Lily Potter's. However, it's never clear if this had always been the case or if her silvery guardian had changed when she fell in love.

Snape’s Patronus famously changes to a doe, which happens to be Lily’s Patronus — thus, signifying his love for her. Tonks’ Patronus also goes from being a rabbit to a wolf, because she ...

As any true Harry Potter fan would know, the Patronus of any person is its most powerful guide, protector and charm against some of the worst creatures, Dementors. This Patronus is represented by some ...

2) Doe The female form of the stag, the doe patronus, played an integral role in the Harry Potter saga. It was his mother's patronus that signified love and warmth.

Harry's Patronus, a stag, is reminiscent of his father, Snape's doe is reminiscent of Lily Potter, and similarly, Ginny's horse stems from her affection towards Harry.