The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomePolitics & WorldUS SenatorJohn Cornyn
Politics & World • US Senator

John Cornyn

John Cornyn is an American politician and attorney who has served as the senior United States senator from Texas since 2002.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

John Cornyn is an American politician and attorney who has served as the senior United States senator from Texas since 2002. A Republican, he previously held offices in Texas as a district judge, a justice of the Texas Supreme Court, and attorney general of Texas.

Early life and education

Cornyn was born in Houston, Texas, and was raised in San Antonio. He studied at Trinity University, St. Mary’s School of Law, and earned a Master of Laws from the University of Virginia School of Law.

Before entering the Senate, Cornyn served as a district judge in Texas, then as a justice of the Texas Supreme Court, and later as Texas Attorney General from 1999 to 2002.

U.S. Senate career

Cornyn has represented Texas in the U.S. Senate since 2002. He was first elected in 2002 and re-elected in 2008, 2014, and 2020. He serves on the Senate Finance, Judiciary, Intelligence, Foreign Relations, and Budget Committees.

Leadership and political role

From 2013 to 2019, Cornyn was the Senate Republican Whip, the second-ranking position in the Senate Republican Conference. He has been a prominent figure in Republican Senate politics.

Key facts

  • First elected to the U.S. Senate in 2002 and re-elected in 2008, 2014, and 2020.
  • Serves on the Senate Finance, Judiciary, Intelligence, Foreign Relations, and Budget Committees.
  • Served as Senate Republican Whip from 2013 to 2019.
  • Previously served as a Texas district judge, Texas Supreme Court justice, and Texas Attorney General.
  • Born in Houston and associated professionally with Texas politics and law.

Frequently asked questions

Who is John Cornyn?
John Cornyn is a Republican politician and attorney who has served as a U.S. senator from Texas since 2002.
What offices did John Cornyn hold before the Senate?
He served as a Texas district judge, a justice of the Texas Supreme Court, and Texas Attorney General.
When was John Cornyn first elected to the U.S. Senate?
He was first elected on November 5, 2002.
What Senate leadership role did Cornyn hold?
He served as Senate Republican Whip from 2013 to 2019.
What committees has Cornyn served on?
He has served on the Finance, Judiciary, Intelligence, Foreign Relations, and Budget Committees.

References

  1. Office of Senator John Cornynhttps://www.cornyn.senate.gov/about/about-john-cornyn/
    Supports: Birthplace, Senate service, election history, committee assignments, and Senate Republican Whip role.
  2. Congress.govhttps://www.congress.gov/member/john-cornyn/C001056
    Supports: Party affiliation, Senate tenure, and office details.
  3. U.S. Government Publishing Officehttps://www.govinfo.gov/content/pkg/CDIR-2008-08-01/html/CDIR-2008-08-01-TX-S-2.htm
    Supports: Biographical details including birth date, education, and prior Texas offices.
  4. The New York Timeshttps://www.nytimes.com/2026/05/26/us/politics/john-cornyn-republican-senate-candidate.html
    Supports: Recent context on Cornyn's Senate career and 2026 primary challenge.