Biography.guide
Home › People › Lawyer › John F. Keenan
Portrait of John F. Keenan

John F. Keenan

1929 – 2024

American judge

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About John F. Keenan

Lived 1929 – 2024 (aged 94). John F. Keenan was an American lawyer and judge.

John Fontaine Keenan (November 23, 1929 – October 27, 2024) was an American judge for the United States District Court for the Southern District of New York.

Background Born in Manhattan, New York City, on November 23, 1929, Keenan graduated from Regis High School in 1947. He received a Bachelor of Business Administration from Manhattan College in 1951. He received a Bachelor of Laws from Fordham University School of Law in 1954. He was in the United States Army from 1954 to 1956.

Early career Keenan was in private practice of law in New York City in 1956. He was an assistant district attorney of New York County from 1956 to 1976.

Federal judicial service

Keenan was nominated by President Ronald Reagan on September 13, 1983, to a seat on the United States District Court for the Southern District of New York vacated by Judge Lloyd Francis MacMahon. He was confirmed by the United States Senate on September 20, 1983, and received commission the same day. He assumed senior status on December 31, 1996. He served as a Judge of the United States Foreign Intelligence Surveillance Court from 1994 to 2001. He was a member of the United States Judicial Panel on Multidistrict Litigation from 1998 to 2006. managing the delivery of medical relief funds to India following the Union Carbide Corporation gas plant disaster in Bhopal and dismissing attempts to sue Union Carbide in U.S. courts rather than in India; denying a gay Irish group the right to hold its own march on the same day as the city's St. Patrick's Day parade in 1995, determining that the city's claims that it would pose a safety hazard trumped the group's First Amendment claims. He presided at the trial of Bess Myerson, New York City Cultural Affairs Commissioner, on corruption charges in 1988 and that of Philippine first lady Imelda Marcos on racketeering charges in 1990.

Reversed cases On August 16, 2010, Keenan sentenced Mahmoud Reza Banki to 30 months in prison. This sentence was overturned on October 24, 2011, at which time the United States Court of Appeals for the Second Circuit ruled in favor of Banki reversing the sanctions charges against him. Appellate court ruled that Judge John F. Keenan had erred at trial; in denying Banki's defense request to instruct the jury on the law that specifically exempts family money as an exception to the sanctions law, permitting such transfers without the need for a license. The final appellate court brief stated: "Banki's conviction [on the sanctions charges] cannot stand".

Personal life and death In 1956, Keenan married Diane Nicholson, and they had a daughter.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Occupation
Nationality
Education
Fordham University School of Law, Manhattan University, Regis High School, Manhattan College
Also known as
John Fontaine Keenan

People in John F. Keenan's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped John F. Keenan's

Frequently asked questions

Who was John F. Keenan?

American judge

When was John F. Keenan born?

John F. Keenan was born on 23 November 1929 in New York City.

When did John F. Keenan die?

John F. Keenan died on 27 October 2024.

What was John F. Keenan's occupation?

John F. Keenan was a lawyer and judge.

What nationality was John F. Keenan?

John F. Keenan was American.

Sources & further reading

· Wikipedia: John F. Keenan

· Wikidata: Q16091234

· DBpedia: John F. Keenan

Cite this page

APA: Biography.guide. (2026). John F. Keenan. https://biography.guide/john-f-keenan/

MLA: "John F. Keenan." Biography.guide, https://biography.guide/john-f-keenan/.

Chicago: "John F. Keenan." Biography.guide. https://biography.guide/john-f-keenan/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:09 UTC