In the novel Taken at the Flood, Eileen Corrigan was a housemaid of Gordon Cloade.
Spoiler warning: A spoiler is announced! The following section contains details about Taken at the Flood.
After a bomb killed both Gordon and his new wife Rosaleen, Rosaleen's brother David Hunter persuaded Eileen to pose as his dead sister. She was later killed by David.
Spoilers end here.