Celebrity Deaths – O

by Michael RichComment — Updated December 19, 2023
Heather O'Rourke - celebrity death O
Heather O’Rourke
1988
Susan Oliver
Susan Oliver
1990
Jacqueline Onassis
Jacqueline Onassis
1994
Hugh O'Connor
Hugh O’Connor
1995
Jerry Orbach
Jerry Orbach
2004
Peter O'Toole
Peter O’Toole
2013
Maureen O'Hara
Maureen O’Hara
2015
Wyatt Earp - Hugh O'Brien
Hugh O’Brien
2016
celebrity death - lani o'grady
Lani O’Grady
2001

Edmond O’Brien b. September 10, 1915. d. 1985 (Alzheimers)
Actor – Frank Bigelow in D.O.A.

Hugh O’Brian b. 1925 d. 2016
Actor – starred in TV series “The Life and Legend of Wyatt Earp” (1955–1961)

Pat O’Brien b. November 11, 1899 d. October 15, 1983 (heart attack)
Actor – Knute Rockne, All American

Carroll O’Connor b. d. June 21, 2001 (heart attack)
Actor – Archie Bunker in “All in the Family

Donald O’Connor b. 1925 d. Deptember 27, 2003 (heart failure)
Actor/dancer – Singin’ in the Rain, There’s No Business Like Show Business

Hugh O’Connor b. April 7, 1962. d. March 28, 1995 (suicide, shot himself in the head)
Actor – Lonnie Jamison on In the Heat of the Night – adopted son of Carroll O’Connor

Kenneth O’Donnell P. b. 1924. d. 1977
Press Secretery to JFK. After the assassination, he became a depressed alcoholic

Lani O’Grady b. 1954 d. 2001 (multiple drug intoxication)
Actress – Mary Bradford in “Eight Is Enough” 1977-81

Madalyn Murray O’Hair d 1995 (missing presumed dead?)
Atheist activist – Disappeared with son Jon, grandaughter Robin and US$629,500 of American Atheists organization money

Maureen O’Hara  b. 1920 d. 2015
Actress – Miracle on 34th Street (1947)

Georgia O’Keeffe b. 1887 d. 1986
Artist – American abstract painter

Kate O’Mara b. 1939 d. 2014
Actress – Caress Morell, the sister of Alexis Colby (Joan Collins) in “Dynasty” (1986)

Patrick O’Neal b.1927 d. 1994 (respiratory failure)
Actor

Tip O’Neill d. 1994 b. 1912
Speaker of the U.S. House

Heather O’Rourke b. December 27, 1975 d. February 1, 1988 (intestinal stenosis)
Actress – Poltergeist Girl

Maureen O’Sullivan b. May 17, 191. d. June 23, 1998 (heart attack)
Actress – Mia Farrow’s Mother

Milo O’Shea b. 1926 d. 2013 (natural)
Character Actor – the Judge in 1982 movie “The Verdict”

Warren Oates b. 1928 d. 1982 (heart attack)
Actor

Merle Oberon b. 1911 d. 1979 (stroke)
Actress

Michaela Odone b. 1939 d. 2000 (lung cancer)
Real mother from story in the movie Lorenzo’s Oil. Her son has outlived her

Susan Oliver b.1937 d. 1990 (cancer)
Actress – Vina in the Star Trek pilot, The Cage

Lord Laurence Olivier b. 1907 d. 1989
Actor – former husband of Vivien Leigh

Johnny Olsen b. 1910 d. 1985 (brain hemhorrage)
Game show announcer – Price is Right, Match Game, Concentration

Merlin Olsen b. 1940 d. 2010 (mesothelioma)
Football great for LA Rams, Actor on Little House on the Prairie

Aristotle Onassis b. 1906 d. 1975 (Myesthenia Gravis)
Greek tycoon – Husband of Jacqueline Kennedy Onassis

Christina Onassis b. 1950 d. 1988 (heart attack)
Heiress – Daughter of Aristotle

Jacqueline Kennedy Onassis b. 1929 d. 1994 (Non-Hodgkins lymphoma)
Former First Lady and later, editor at Doubleday (see kennedy section on this site)

Robert J. Oppenheimer b. 1904 d. 1967
Nuclear Physicist

Jerry Orbach b. 1935 d. December 28, 2004 (prostate cancer)
Actor – Promises, Promises; Lennie Briscoe in Law and Order

Roy Orbison b. 1936 d. 1988 (heart attack)
Singer

Robert Osborn b. 1932 d. 2017
Film historian – host of Turner Classic Movies and The Movie Channel

Johnny Otis b. 1921 d. January 17, 2012
R&B Singer/Songwriter – “Willie and the Jive Hand”

Peter O’Toole b. 1932 d. December 14, 2013 (long illness)
Actor – T. E. Lawrence in “Lawrence of Arabia” (1962)

Buck Owens b. 1929 d. March 26, 2006
Singer and host of Hee Haw

Gary Owens b. 1934 d. 2015 (complications from diabetes)
Voice Actor – the announcer on Rowan and Martin’s Laugh-In (1968-1973)

Jesse Owens b. 1913. d. 1980 (lung cancer)
Olympic Athlete

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