massive internal hemorrhaging
M. Herbert Hoover died in 1952.
Francis Hoover died on 2002-03-19.
John Hoover Rothermel died in 1922.
Joe Hoover died on 1965-09-02.
Charles Franklin Hoover died in 1927.
Hoover - seal - died on 1985-07-25.
Calvin B. Hoover died in 1974.
Buster Hoover died on 1924-04-16.
Lou Hoover died on January 7, 1944 at the age of 69.
Hoover J. Wright died on 2003-03-07.
John Hoover - artist - died on 2011-09-03.
Irwin 'Ike' H. Hoover died in 1933.