Sinead O’Connor Died of Natural Causes, Coroner Says The Irish singer-songwriter, known for her powerful, evocative voice, died at 56 at a residence in London in July. Author: ALEX MARSHALL Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)