Pat was a former inhabitant of Vault 13 who became a member of Arroyo and the Vault Dweller's spouse. By the Vault Dweller's side, Pat led the tribe and helped to make it thrive. She died years before the Vault Dweller's memoirs were written.
- Given the information made available in the various Fallout games, according to interviews with Interplay, Black Isle and Bethesda Softworks staff, and canon information on this site, the Vault Dweller was male and Pat was his wife.
- The name is intentionally androgynous as the Vault Dweller could be male or female.
Pat is mentioned in the Vault Dweller's memoirs.