Entertainment NewsReport: John Mahoney’s Cause of Death Revealed00CopyFacebookXTruthGettrLinkedInTelegramEmailSavePrintJohn 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 ArticlesWalgreens Nasal Spray Recalled Over Potential Bacterial Contamination, FDA ReportsNov 28, 2025National Guard Shooting Suspect to Be Charged With First-Degree Murder, Pirro SaysNov 28, 2025DHS Terminating Temporary Protected Status for Haitian NationalsNov 28, 2025CDC Reports Cases of Norovirus on the Rise NationwideNov 26, 2025