J. Mercer Johnson

{{Short description|American judge (1906–1988)}}

{{Infobox officeholder

|name = J. Mercer Johnson

|image =

|caption =

|office6 = Justice of the Arizona Supreme Court

|appointer6 =

|term_start6 = September 16, 1957

|term_end6 = September 20, 1960

|predecessor6 = Arthur T. LaPrade

|successor6 = Robert O. Lesher

|birth_date = {{birth date|1906|10|20}}

|birth_place = Naco, Arizona Territory, U.S.

|death_date = {{death date and age|1988|12|17|1906|10|20}}

|death_place = Tucson, Arizona, U.S.

|spouse = {{marriage|Margaret Mary Blank|1933}}

|alma_mater =

|party = Democrat

}}

John Mercer Johnson{{cite news|url=https://www.newspapers.com/clip/107669405/marriage-of-blank-johnson/|title=Marriage Announced|work=Arizona Daily Star|date=January 18, 1933}} (October 20, 1906 – December 17, 1988) was a justice of the Supreme Court of Arizona from September 16, 1957 to September 20, 1960.

{{cite web|url=https://www.azcourts.gov/meetthejustices/Judicial-History|title=Judicial History|publisher=}}

Born in Naco, Arizona Territory, Johnson ran for Pima County Attorney in 1936, losing in the primary election. Two years later, he became the Democratic nominee and won the position. He was reelected three times. Johnson became a Superior Court judge in 1946. He served in that position until becoming an Arizona Supreme Court Justice in 1957, appointed by Governor Ernest W. McFarland to fill the vacancy caused by the death of the late Justice Arthur T. LaPrade. He stepped down from the Court in 1960 to return to private practice.{{cite web|url=http://www.pcao.pima.gov/100years.aspx|title=Pima County Attorney|publisher=}} Johnson became a partner at the firm Johnson, Dowdall & Terry in Tucson. There, Johnson represented Conoco.Petrol Stops Northwest v. Continental Co., Trade Cases P 63414, ¶ 63,414.June 9, 1958, Arizona Daily Star p. 1. He died on December 17, 1988.{{cite news|title=J. Mercer Johnson dies; former state Supreme Court justice|date=December 20, 1988|page=21|newspaper=Arizona Daily Star|location=Tucson, Arizona|url=https://www.newspapers.com/clip/34468857/arizona_daily_star/|accessdate=August 1, 2019}}