66th Illinois Volunteer Infantry Regiment - Commanders

Commanders

• Colonel John W. Birge - commissioned a colonel, Birge was replaced by;
• Lieutenant Colonel Benjamin S. Compton
• Colonel Patrick E. Burke - mortally wounded at the Battle of Rome Cross Roads on May 16, 1864 while commanding 2nd Brigade, 2nd Division, Left Wing, XVI Corps, Army of the Tennessee. Died at Resaca, Georgia on the morning of May 20, 1864;
• Captain William S. Boyd - Captain of Co A, and in tactical command of the regiment when Burke was wounded, continued in de facto field command of the Regiment through the March to the Sea;
• Lieutenant Colonel Andrew K. Campbell - Mustered out with the regiment.