Siobhan Delaney

Siobhan Delaney is the girlfriend of gang member Tommy Daly and the mother of their child Leyton Daly. Originally only a minor character in the Series, after marrying Tommy, she begins to fear for his safety and care in the criminal life and wishes for him to break away from it, after discovering that her uncle and gang boss, Nidge was responsible for the horrific beating of Tommy resulting in him being in a coma and slightly brain damaged, she vows revenge and assists the Garda in arresting him by proving information on the gangs activities, essentially becoming a main antagonist of Series 5, she is accidentally killed by Patrick Ward in a shooting where Nidge was his intentional target.