Entertainment NewsReport: John Mahoney’s Cause of Death RevealedSavePrintJohn Mahoney. Joey Foley/Getty ImagesJack PhillipsBreaking News Reporter2/7/2018|Updated: 2/7/2018The cause of death of “Frasier” actor John Mahoney was revealed in a new report on Wednesday, Feb. 7, TMZ reported.Mahoney passed away Sunday in hospice care, according to his publicist.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentJack PhillipsBreaking News ReporterJack Phillips is a breaking news reporter who covers a range of topics, including politics, U.S., and health news. A father of two, Jack grew up in California's Central Valley. Follow him on X: https://twitter.com/jackphillips5Author’s Selected Articles‘Today’ Host Guthrie Releases New Video Asking for Help as Search for Mother Enters 2nd WeekFeb 09, 2026March for Life Attendees Potentially Exposed to Measles: DC Health OfficialsFeb 09, 2026US Military Boards Oil Tanker in Indian Ocean After Pursuing It From CaribbeanFeb 09, 2026Savannah Guthrie’s Family Requests Police Presence at Missing Mother’s Home, Officials SayFeb 09, 2026