| ||For other characters named Bailey, see Bailey.|
Doctor Bailey was a resident of Vault 22.
Bailey was a scientist who worked on various projects in the vault until his wife and daughter became ill. Upon the initial incident in the caves, it was Dr. Bailey that ordered them to be sealed off.
- In the game files, there is a spore carrier that carries his name.
- There were two other characters with the surname Bailey in the vault, including Marsha Bailey and Elizabeth Bailey.
Bailey is mentioned only in Fallout: New Vegas.