William H. Harrison died of pneumonia... It started with a cold but he didn't take care of himself so he died.
William Harrison Graham died in 1923.
William Harrison Riley died in 1907.
William Harrison Holly died in 1958.
William Graham-Harrison died in 1949.
William Harrison-Broadley died in 1896.
William Harrison Dimmick died in 1861.
Chester William Harrison died in 1994.
William Harrison Folsom died in 1901.
William Harrison Cowlishaw died in 1957.
William Harrison Moore died in 1935.
William Harrison - bishop - died in 1920.
William Henry Harrison died from pneumonia while he was President.