Yes, Snape's patronus was a doe.
it was Snape's patronus
A Stag. This was his fathers patronus and animagus form while his mother's was a doe.
Snape's patronus charm is supposedly a silver doe. From what I've heard it's supposed to be the patronus that had helped Ron & harry re-unite.
Lily Potter's patronus, as was Snape's, was a silver doe.
His patronus is a doe. I know, shocking right? A doe is a female deer.
Severus Snape. His patronus was a doe because he always loved Harry's mother, Lily Potter.
That is related to the fact that he was in love with Lily Evans - whose patronus was also a doe.
Patronus is a phantom of your best memory ever. You concentrate specifically on your memory and your patronus appears when the incantation is given. The Patronus is in the form of an animal representing feelings and your traits. For example Severus Snape changed his Patronus to a Doe to match Lily Evans, his love. Another example is Nymphadora Tonks whose Patronus resembles a werewolf creature, taking the shape from Remus Lupin her werewolf love.
It is revealed that Severus Snape does, because when Harry looks through his memories, he sees that Snape's patronus is a doe, which is the same patronus that lead Harry to the lake :)
in the 7 book when he goes in snapes memory