Lizzie Corrigan

 was a member of the Psychic Investigation Group, investigating Stockbridge, in an alternate timeline. One of her favourite films was Brigadoon. She was just beginning a relationship with Maxwell Edison, a resident of Stockbridge, when time corrected itself with her help.

Back in the normal timeline, Max found out that she worked in the local estate agents. (AUDIO: The Eternal Summer) She lived in Stockbridge until her death at age 112. (AUDIO: Plague of the Daleks)