The 75th Regiment Illinois Volunteer Infantry was an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 that served in the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

Service

75th Regiment Illinois was organized at Dixon, Illinois

Dixon, Illinois

Dixon is a city in Lee County, Illinois, United States. The population was 15,733 as of the 2010 census, down from 15,941 at the 2000 census. Named for its founder, John Dixon , it is the county seat of Lee County. Located on the Rock River, Dixon was the boyhood home of former U.S...

 and mustered into Federal service on September 2, 1862.

The regiment was discharged from service on June 12, 1865.

Total strength and casualties

The regiment lost 3 officers and 94 enlisted men killed in action or died of wounds and 5 officers and 103 enlisted men who died of disease, for a total of 205 fatalities.

Commanders

• Colonel
  Colonel
  Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...
  
   George Ryan - Resigned December 20, 1862.
• Colonel
  Colonel
  Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...
  
  John Bennett - Mustered out with the regiment.