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Jackson Leroy Adair (February 23, 1887 – January 19, 1956) was a United States Representative from Illinois and a United States District Judge of the United States District Court for the Southern District of Illinois.

J. Leroy Adair
Judge of the United States District Court for the Southern District of Illinois
In office
April 27, 1937 – January 19, 1956
Appointed byFranklin D. Roosevelt
Preceded byJames Earl Major
Succeeded byFrederick Olen Mercer
Member of the U.S. House of Representatives
from Illinois's 15th district
In office
March 4, 1933 – January 3, 1937
Preceded byBurnett M. Chiperfield
Succeeded byLewis L. Boyer
Member of the Illinois Senate from the 36th district
In office
Personal details
Jackson Leroy Adair

(1887-02-23)February 23, 1887
Clayton, Illinois
DiedJanuary 19, 1956(1956-01-19) (aged 68)
Quincy, Illinois
Resting placeSouth Side Cemetery
Clayton, Illinois
Political partyDemocratic
EducationUniversity of Michigan Law School (LL.B.)

Education and careerEdit

Adair was born in Clayton, Illinois, attending public high school, and Illinois College in Jacksonville, Illinois. He graduated from the University of Michigan Law School in 1911 with a Bachelor of Laws. He was admitted to the bar the same year and commenced practice in Muskogee, Oklahoma. He moved to Quincy, Illinois, in 1913 and continued the practice of law. He also engaged in agricultural pursuits and in the manufacture of medicine for livestock. He served as city attorney of Quincy from 1914 to 1916. He served as prosecuting attorney of Adams County, Illinois from 1916 to 1920 and from 1924 to 1928. He was in private practice in Adams County from 1920 to 1924. He served as member of the Illinois Senate from 1928 to 1932, from the 36th District.[1][2][3]

Congressional serviceEdit

Adair was elected as a Democrat to the 73rd and 74th United States Congresses, serving from March 4, 1933 to January 3, 1937.[2] He was not a candidate for renomination in 1936.[2]

Federal judicial serviceEdit

Adair was nominated by President Franklin D. Roosevelt on March 24, 1937, to a seat on the United States District Court for the Southern District of Illinois vacated by Judge James Earl Major. He was confirmed by the United States Senate on April 20, 1937, and received his commission on April 27, 1937. His service terminated on January 19, 1956, due to his death in Quincy.[3] He was interred in South Side Cemetery in Clayton.[2]


  1. ^ "The Political Graveyard: Index to Politicians: Acampora to Adamowski".
  2. ^ a b c d United States Congress. "J. Leroy Adair (id: A000025)". Biographical Directory of the United States Congress.
  3. ^ a b Jackson Leroy Adair at the Biographical Directory of Federal Judges, a public domain publication of the Federal Judicial Center.