Grose, is a spirit until the very end, mainly due to the fact that - unlike the other ghosts - she refused to forget herself. The series provides subtle hints at the big reveal that Hannah Grose is dead but viewers are not aware of this until episode 5.

Is Hannah a ghost in Bly Manor?

Hannah Grose is a major character in The Haunting Of Bly Manor. She is the dependable manager of Bly Manor with a huge secret that she herself does not know. After being pushed into the well at Bly Manor previously, Hannah is unknowingly a ghost at the expansive manor house.

Is Hannah Grose possessed?

It emerges that Hannah was actually killed by young boy Miles (Benjamin Evans Ainsworth) who, after becoming possessed by the spirit of Peter Quint (Oliver Jackson-Cohen), pushes her down a well.