The acclaimed Dublin performer released 10 studio albums, while her song Nothing Compares 2 U was named the number one world single in 1990 by the Billboard Music Awards.
Ms O’Connor was presented with the inaugural award for Classic Irish Album at the RTÉ Choice Music Awards earlier this year.
The singer received a standing ovation as she dedicated the award, for I Do Not Want What I Haven’t Got, to “each and every member of Ireland’s refugee community”.