In the movie David Copperfield, Dora Lorry was the wife of the main character David Copperfield. Her final cause of death was murder.
In the novel David Copperfield, Dora Lowry wasn't directly murdered; she was saved at the end of the novel. In the novel, David Copperfield lost his ability to work due to mental illness, and his family and finances depended on him. At the climax of the novel, David Copperfield begins to act crazy and tries to kill himself. In the end, Dora Lorry and the children decided to help David Copperfield get through the difficulties and help him recover. At the end of the novel, Dora Lowry is saved and starts her life with David Copperfield.
Dora is purely fictional. It's designed to engage and entertain children through imaginative scenarios and adventures, not based on real-life events or people.