JULY 28th 2024: Singer Sinead O'Connor official cause of death revealed in autopsy report as chronic obstructive pulmonary heart disease (COPD) and asthma. - JULY 26th 2023: Singer Sinead O'Connor has passed away at the age of 56 - no cause of death was given. - File,Image: 893787354, License: Rights-managed, Restrictions: This content is intended for editorial use only. For other uses, additional clearances may be required. ***FILE PHOTO***, Model Release: no