Greenfield Quarles
Greenfield Quarles in Virginia Military Institute uniform
Born	(1847-04-01)April 1, 1847 Christian County, Kentucky, US[1]
Died	January 14, 1921(1921-01-14) (aged 73)[1] Helena, Arkansas, US[1]
Resting place	Maple Hill Cemetery 34°32′34″N 90°35′27″W / 34.54280°N 90.59080°W / 34.54280; -90.59080
Alma mater	Virginia Military Institute[1]
Occupation(s)	Lawyer, judge, soldier[1]
Known for	Founder of the Sigma Nu Fraternity[2]
Spouse	Ida Gist[1]
Children	One daughter[1]
Parent	John Nicholas Quarles[1]
Military career
Allegiance	Confederate States of America United States
Service / branch	Confederate States Army United States Army
Rank	Private (Confederate States Army)[1] Major (United States Army, Arkansas Volunteer Infantry)[1]

Greenfield Quarles (April 1, 1847 – January 14, 1921) was a Confederate States Army and United States Army soldier, judge,^[1] and one of the founders of the Sigma Nu fraternity.^[2]

Born in Christian County, Kentucky, his family moved to Arkansas in 1851.^[1] Quarles was a graduate of the Virginia Military Institute. During his time there, along with James Frank Hopkins and James McIlvaine Riley founded the Sigma Nu Fraternity.^[2] 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.^[1]

Quarles served in the Confederate States Army during the civil war as a Private. After the war, he became a charter member of Camp Cawley of the United Confederate Veterans of Helena, Arkansas.^[1]

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.^[1]

During World War I, Quarles served as a special agent to the United States Government.^[1]

Quarles died at his home in Helena, Arkansas.^[1]