Mary Jo Campbell, the beloved mother of Kris Jenner and a familiar face to fans of reality television, passed away at the age of 91. Her official cause of death has been determined as acute cardiopulmonary arrest, according to a death certificate obtained by USWeekly. The certificate also lists acute respiratory failure and metastatic lung cancer as contributing factors. Campbell had been battling the lung cancer for several months prior to her passing.

Details of Mary Jo Campbell’s Passing

Campbell died on July 16 at a Los Angeles hospital. Her death was followed by cremation on July 23. No autopsy was performed following her death. The news of her passing was shared by her daughter, Kris Jenner, who posted a heartfelt tribute on Instagram, describing her mother as the ‘heart’ of their