One year after Sinéad O'Connor's death, the real cause of death is revealed. The 56-year-old singer died from the diseases COPD (chronic obstructive pulmonary disease) and asthma, according to The Irish Independent. She also had a respiratory tract infection when she died, which exacerbated the other diseases, according to the death certificate.
Sinéad O'Connor was found dead in her home in London on July 26, 2023.
