Greenfield Quarles in Virginia Military Institute uniform
April 1, 1847|
Christian County, Kentucky
|Died||January 14, 1921
|Resting place||Maple Hill Cemetery 
|Nationality||United States of America|
|Alma mater||Virginia Military Institute|
|Occupation||Lawyer, judge, soldier|
|Known for||Founder of the Sigma Nu Fraternity|
|Parent(s)||John Nicholas Quarles|
|Allegiance|| Confederate States of America
United States of America
|Service/branch||Confederate States Army
United States Army
|Rank||Private (Confederate States Army)
Major (United States Army, Arkansas Volunteer Infantry)
Born in Christian County, Kentucky, his family moved to Arkansas in 1851. Quarles was a graduate of the Virginia Military Institute and during his time, along with James Frank Hopkins and James McIlvaine Riley founded the Sigma Nu Fraternity. In 1873, Quarles married his wife Ida Gist and had a daughter. In his early professional life, Quarles was a public servant having been elected a first district prosecuting attorney, a county judge, and probate judge.
During the Spanish–American War, Quarles volunteered with the Arkansas Volunteer Infantry (Arkansas State Guard and the Spanish–American War) when called upon by the United States Army as a Major. Quarles did not participate in any battles in Cuba during the war.
- "Pvt Greenfield Quarles". Find A Grave. Retrieved 16 November 2012.
- Confederated Southern Memorial Association (U.S.); Sons of Confederate Veterans (Organization); United Confederate veterans; United Daughters of the Confederacy (1921). "Confederate Veteran [serial] (1921)". Nashville, Tenn. : [S.A. Cunningham]. p. 228. Archived from the original (image) on 2011-12-21. Retrieved 16 November 2012.
- "Maple Hill Cemetery". Find A Grave. Retrieved 16 November 2012.
- "The History of Sigma Nu". Sigma Nu Fraternity. Retrieved 16 November 2012.