News Cloris Leachman’s cause of death revealed as stroke, COVID-19 also a contributing factor February 19, 2021 Elise Brisco, USA TODAY Comments Off on Cloris Leachman’s cause of death revealed as stroke, COVID-19 also a contributing factor Award winning actress Cloris Leachman died from a stroke with COVID-19 listed as a significant condition according to medical examiner's office.