Monica Jean Gallagher is the estranged wife of Frank Gallagher and the mother of Fiona, Lip, Ian, Debbie, Carl and Liam.
Monica left her family prior to the series starting, something that all the Gallagher children resent her for to some degree (Fiona and Lip especially). At the time the Fiona was 9, Lip was 5 & Ian was 3. Debbie, Carl, and Liam were not born yet, but later born when Monica came back several times only to disappear again.
After her return in season 7, it is revealed that she has brain damage and the doctors don’t expect her to live long.
Her death is shown in the episode Happily Ever After of season 7 when Frank is trying to wake her up, unsuccessfully.
Portrayed by: Chloe Webb