Cissy Houston, Whitney Houston’s mother and a Grammy-winning singer, dies at 91 The Associated PressCissy Houston, Grammy-winning singer and mother of Whitney Houston, dead at 91 CNNBlack Twitter Mourns the Death of Whitney Houston’s Mother Cissy Houston The RootCissy Houston, gospel singer and mother of pop icon Whitney Houston, dies at 91: Reports USA TODAYCissy Houston, singer and mother of Whitney Houston, dies aged 91 The Independent