A coroner has confirmed the cause of death of Irish singer-songwriter Sinead O’Connor who was found unresponsive at a home in London in July 2023.

The Southwark Coroner’s Court confirmed on Wednesday (AEDT) that O’Connor, age 56, died of natural causes.

“This is to confirm that Ms O’Connor died of natural causes,” said a statement.

“The coroner has therefore ceased their involvement in her death.”

No other details were provided.

London’s Metropolitan Police said at the time that the singer’s death was not considered suspicious.

She was public about her mental illness and was hospitalised after her teenage son, Shane, died by taking his own life in 2022.

O’Connor, who began her career performing on the streets of Dublin, rose to worldwide fame with Nothing Compares 2 U, released in 1990 with a music video in which she faced directly into the camera and cried.

She was known as much for her outspoken views on religion, sex, feminism and war as for her music.

O’Connor converted to Islam in 2018 and changed her name to Shuhada Sadaqat, though continued to perform under the name Sinead O’Connor.

She posted on her official Facebook account on July 12 that she had recently moved back to London, was finishing an album, and intended to tour towards the end of 2024 and early 2025.

Thousands of fans lined the streets of the Irish town she had called home during a funeral procession in Bray, County Wicklow, in August.

Irish Prime Minister Leo Varadkar attended, along with U2’s Bono.

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-with AAP