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Patrick Eugene PRENDERGAST





Classification: Murderer
Characteristics: Motivated by a combination of delusion, ambition, and political idealism
Number of victims: 1
Date of murder: October 28, 1893
Date of arrest: Same day
Date of birth: April 18, 1868
Victim profile: Carter Henry Harrison Sr., 68 (Chicago Mayor)
Method of murder: Shooting (.38 revolver)
Location: Chicago, Cook County, Illinois, USA
Status: Executed by hanging on July 14, 1894
photo gallery

Patrick Eugene Joseph Prendergast (April 18, 1868 July 14, 1894) was the assassin of Chicago Mayor Carter Harrison, Sr.


Prendergast was born in Ireland. His grandfather was reported to have died insane while his mother had "repeated attacks of hysterics" and his father died of consumption. At the age of 4 Prendergast was reported to have suffered a severe head injury from a fall, from which he was unconscious for a long period of time and suffered vomiting for four weeks after. He was described as a peculiar child, solitary, irritable and excitable, with a poor memory who did poorly in school. He left home at 16 because of imaginary persecution and by 18 had developed grandiose ideas of his capabilities and became a fanatic for the single-tax promoted by Henry George.

Prendergast became a newspaper distributor in Chicago, where he lobbied for improvements in Chicago's railroad grade crossings, which he saw as a danger to the public. In 1893, he supported Harrison's reelection campaign under the delusion that if Harrison won the election, Prendergast would receive an appointment as Corporation Counsel.


When the appointment did not come, Prendergast visited Harrison at his home on October 28, 1893, admitted by a maid who went to wake the mayor. As Harrison was leaving the room where he had been sleeping, Prendergast approached and shot the mayor three times with a .38 revolver and escaped, firing once at a coachman whom he encountered. Harrison did not know who Prendergast was.

Prendergast surrendered at Des Plaines Street police station 30 minutes later. He still had the gun in his possession. When interviewed by police, he gave varying stories as to his motive, including the failed appointment and the mayor's failure to elevate train track crossings. The smell of burned powder and empty chambers reaffirmed the police department of his actions.

In his first trial, Prendergast's attorney tried to have him found insane. Several doctors testified that while Prendergast was paranoid, he knew right from wrong and was capable of standing trial for the murder. Clarence Darrow later won a hearing on Prendergast's sanity, but it also failed. Prendergast was hanged on July 14, 1894 in Chicago.

Media depictions

On occasion, Prendergast has been represented in film or fiction. In the 1991 made-for-TV movie Darrow, he was portrayed by New York-born actor Paul Klementowicz. Prendergast's story is one of the sub-plots in Erik Larson's book The Devil in the White City.



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