John H. Davis (author)

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John H. Davis
Born John Hagy Davis
(1929-06-14)June 14, 1929[1]
Manhattan, New York
Died January 29, 2012(2012-01-29) (aged 82)
Manhattan, New York
Occupation Author
Nationality American
Alma mater Princeton University
Columbia University
Subject Kennedy family
Notable works Jacqueline Bouvier: An Intimate Memoir
Relatives Jacqueline Kennedy Onassis (maternal cousin)
Lee Radziwill (maternal cousin)

John Hagy Davis (June 14, 1929 – January 29, 2012) was an American author who wrote several books on the mafia.[2]


Davis was the son of stockbroker John E. Davis and Maude Bouvier, younger sister of John Vernou Bouvier III and therefore first cousin of Jacqueline Kennedy Onassis and Lee Radziwill.

Davis was a graduate of Princeton University as well as Columbia University.[3] While serving in the United States Navy during the 1950s, he was officer with the Sixth Fleet stationed in Naples, Italy.[3] Davis said that he was required to "deal with the mafia hoods who controlled the ports" as part of his duties as shore patrol and legal officer.[3] He stated that during his time there he became interested in the history of Italy and studied the history of the mafia.[3] After the Navy, Davis studied at the Italian Institute for Historical Studies in Naples, and directed a cultural center in southern Italy.[3]


Davis is the author of several books about notable American families such as the Bouviers, the Guggenheims and the Kennedys.[4]

Mafia Kingfish: Carlos Marcello and the Assassination of John F. Kennedy[edit]

In 1989,[citation needed] the New American Library published Mafia Kingfish: Carlos Marcello and the Assassination of John F. Kennedy in which Davis implicated the mafia and Carlos Marcello in the assassination of John F. Kennedy.[3] According to Davis Lee Harvey Oswald and Jack Ruby had "strong ties" to Marcello, and that an Oswald imposter visited the Russian embassies in Cuba and Mexico.[3]

A reviewer for The Pittsburgh Press wrote: "'Mafia Kingfish' is such a page-turner, it could be a fictional thriller. But it's an amazing bit of contemporary history begging for someone to solve its mystery."[3]

Later life and death[edit]

Davis died at his home in Manhattan due to complicatons of Alzheimer's disease in 2012.[5]

Published works[edit]

  • (1969) The Bouviers: Portrait of an American family
  • (1989) Mafia Kingfish: Carlos Marcello and the Assassination of John F. Kennedy
  • (1993) Kennedy Contract: The Mafia Plot to Assassinate the President
  • (1993) The Kennedys: Dynasty and Disaster
  • (1994) The Guggenheims: An America Epic
  • (1994) Mafia Dynasty: The Rise and Fall of the Gambino Family
  • (1998) Jacqueline Bouvier: An Intimate Memoir


  1. ^ John H. Davis in Jacqueline Bouvier An Intimate Memoir, John Wiley & Sons, Inc, 1996
  2. ^ John H. Davis, 82, who wrote of the Bouviers and Kennedys. 31 January 2012
  3. ^ a b c d e f g h Sachs, Sylvia (January 10, 1990). "'Mafia Kingfish' delves into Kennedy assassination". The Pittsburgh Press (Pittsburgh, Pennsylvania). p. D8. Retrieved October 29, 2014. 
  4. ^ Dugger, Ronnie (January 29, 1989). "Reverberations of Dallas". The New York Times (New York). Retrieved October 4, 2014. 
  5. ^ Vitello, Paul (February 5, 2012). "John H. Davis, Writer With Tie to Kennedys, Dies at 82". The New York Times (New York). Retrieved September 7, 2014.