Actually, the Last Rites can be administered up to an hour or so after clinical death. Nobody knows exactly at what moment the soul leaves the body. The priest should err on the side of giving the sacrament.
http://www.catholic.com/quickquestions/could-jfk-have-received-last-rites-if-he-was-already-dead
ok, so if the priest did that, she was either unconscious, or deceased.
But where does that information come from? Did someone interview the priest?
Who declared her dead?