Isis Fares, 63, passed away on Saturday in a Cairo hospital after she suffered severe injuries in the Cairo Cathedral terrorist attack, announced a Coptic Church official to state media Al-Ahram.
Fares, who is the 27th victim of the deadly suicide bombing, had suffered a severe brain injury during the attack.
A funeral will be held at St. Mark’s Cathedral on Sunday to mourn Fares.
The Cairo Cathedral terrorist attack, carried out by a suicide bomber, is the deadliest attack against civilians in Egypt in recent years. The majority of those killed and injured were women and children.
ISIS claimed responsibility for the deadly attack after Egyptian authorities arrested a number of people accused of involvement.