Battery " A " , 2nd Regiment Illinois Volunteer Light Artillery Battery " A " , 2nd Regiment Illinois Volunteer Light Artillery , was an artillery battery that served in the Union Army during the American Civil War . The battery was alternately known as Davidson ' s Battery , Borris ' Battery , and Peoria Light Artillery . Service . The battery was organized Peoria , Illinois and mustered in May 23 , 1861 for state service under the command of Captain Peter Davidson . The battery was subsequently mustered into federal service for a three years service on August 17 , 1861 at Jefferson Barracks in St . Louis , Missouri . The battery was attached to Fremont ' s Army of the West and to Department of the Missouri to February 1862 . 2nd Brigade , 3rd Division , Army of Southwest Missouri , to May 1862 . Artillery , 3rd Division , Army of Southwest Missouri , to July 1862 . District of Eastern Arkansas , Department of the Missouri , to December 1862 , and Department of the Tennessee to January 1863 . Artillery , 12th Division , XIII Corps , Army of the Tennessee , to May 1863 . Artillery , 14th Division , XIII Corps , Army of the Tennessee , to July 1863 . 3rd Brigade , 1st Division , XIII Corps , Department of the Tennessee , to August 1863 , and Department of the Gulf to September 1863 . Artillery , 1st Division , XIII Corps , Department of the Gulf , to June 1864 . Defenses of New Orleans , Louisiana , Department of the Gulf , to April 1865 . District of LaFourche , Department of the Gulf , to July 1865 . Battery " A " , 2nd Illinois Light Artillery mustered out of service July 28 , 1865 . Detailed service . Moved to Alton , Ill . , July 6 , then to St . Charles and Mexico , Mo . , and duty in northern Missouri until August . Ordered to Jefferson Barracks , Mo . . Moved to Jefferson City , Mo . , then to Booneville , Mo . , October 1 . Fremont ' s Campaign against Springfield , Mo . , October 21 - November 8 , 1861 . At Ottersville , Mo . , until January 1862 . Moved to Lebanon , Mo . , January 25 . Curtis ' advance on Springfield , Mo . , January 25 - February 11 . Pursuit of Price into Arkansas February 14 – 29 . Battle of Pea Ridge , Ark . , March 6 – 8 . March to Sugar Creek March 10 , then to Cross Timbers March 15 , and over Ozark Mountains to Batesville April 5 - May 3 . March to Helena , Ark . , May 25 - July 13 . Duty at Helena until March 1863 . Ordered to Milliken ' s Bend , La . , March 20 , and duty there until April . Movement on Bruinsburg and turning Grand Gulf April 25 – 30 . Battle of Thompson ' s Hill , Port Gibson , Miss . , May 1 . Battle of Champion Hill May 16 . Big Black River May 17 . Siege of Vicksburg , Miss . , May 18 - July 4 . Assaults on Vicksburg May 19 and 22 . Advance on Jackson , Miss . , July 5 – 10 . Siege of Jackson July 10 – 17 . At Big Black until August . Ordered to New Orleans , La . , August 20 . At Carrollton , Brashear City , and Berwick until October . Western Louisiana Campaign October 3 - November 30 . Duty in District of LaFourche and defenses of New Orleans , La . , until August 1864 . Operations in Mobile Bay against Forts Gaines and Morgan August 2 – 23 . Siege and capture of Fort Gaines August 3 – 8 . Siege and capture of Fort Morgan August 8 – 23 . Duty in the defenses of New Orleans and District of LaFourche till July 1865 . The 1st Section was detached in District of Southwest Missouri to October 1862 . Attached to 1st Brigade , 2nd Division , Army of the Frontier , to June 1863 . District of Southeast Missouri . Advance on Fayetteville , Arkansas , October 11 - December 3 , 1862 . Marched to relief of Gen . Blount December 3 – 6 . Battle of Prairie Grove , Ark . , December 7 . At Fayetteville until December 27 . Expedition over Boston Mountains to Van Buren , Ark . , December 27 – 29 . Duty at various points in Missouri until April 1863 . Operations against Marmaduke April 20 - May 2 . Moved to Pilot Knob , Mo . Duty in District of Southeast Missouri until July 1863 . Casualties . The battery lost a total of 22 men during service ; 5 enlisted men killed or mortally wounded , 1 officer and 16 enlisted men died of disease .