John R. Dethmers

John R. Dethmers (October 15, 1903 – November 1, 1971) was a politician from the U.S. state of Michigan.[1]

John R. Dethmers
46th, 50th, and 53rd Chief Justice of the Michigan Supreme Court
In office
Preceded byThomas M. Kavanagh
Succeeded byThomas E. Brennan
In office
Preceded byEdward Sharpe
Succeeded byLeland W. Carr
In office
Preceded byClark Adams
Succeeded byHenry Butzel
69th Justice of the Michigan Supreme Court
In office
Appointed byHarry F. Kelly
Preceded byRaymond Starr
Succeeded bySwainson/Williams
43rd Michigan Attorney General
In office
1945 – August 15, 1946
GovernorHarry Kelly
Preceded byHerbert J. Rushton
Succeeded byFoss O. Eldred
Chairman of the Michigan Republican Party
In office
Ottawa County Prosecuting Attorney
In office
Personal details
Born(1903-10-15)October 15, 1903
Plessis, Iowa
DiedNovember 1, 1971(1971-11-01) (aged 68)
Lansing, Michigan

Dethmers was born in Plessis in O'Brien County, Iowa. He resided in Orange City, Iowa, Holland, Michigan, and East Lansing, Michigan. He enrolled at Hope College in Holland, Michigan, then went on to the University of Michigan Law School and began to practice law in 1927. Dethmers was a member of various judicial associations and was a family man with three children. He was Ottawa County Prosecuting Attorney from 1931–1938. He was a member of the Michigan Republican State Central Committee in 1939. Dethmers served as Chairman of the Michigan Republican Party from 1942–1945 and was a delegate to the 1944 Republican National Convention. He served as Michigan Attorney General from 1945–1946. Governor Harry Kelly appointed Dethmers Justice of the Michigan Supreme Court, serving from 1946–1970 and serving as Chief Justice of the Michigan State Supreme Court in 1953, 1956–1962, and 1967–1969. He was defeated in 1970. He was a Presbyterian and a member of the American Judicature Society. John R. Dethmers died in Lansing.


  1. ^ The Political Graveyard: Dethmers, John R.
  • "John R. Dethmers Biography". Michigan State Historical Society. Archived from the original on October 5, 2007. Retrieved 2006-11-26.
Party political offices
Preceded by
Leslie B. Butler
Chairman of the Michigan Republican Party
1942– 1945
Succeeded by
John A. Wagner
Legal offices
Preceded by
Herbert J. Rushton
Michigan Attorney General
1945– 1946
Succeeded by
Foss O. Eldred