Mia's great aunt, and the sister of Gran. Great Aunt Glo died some years before the accident, and requested that her ashes be scattered in the Sierra Nevada Mountains. While Mia is in a coma, Gran goes on a walk and sees a crossbill, a rare bird in that part of Oregon. Gran believes that the bird is a reincarnation of Glo that has returned to show support for Mia.
The timeline below shows where the character Great Aunt Glo appears in If I Stay. The colored dots and icons indicate which themes are associated with that appearance.