- "We shouldn't be talking about this stuff. That life is gone and everyone in it, Shelia, Maryanne, Mrs. Kelly. It's like we're old folk, all the people in our stories are all dead."
- —Shane to Rick about how they shouldn't be talking about their past lives.[src]
Very little is known about Sheila's life before or during the outbreak except for having sex with Shane at some point.
It is unknown what happened to Shelia after the apocalypse began, leaving her with an unknown fate.