15th Ohio Infantry The 15th Ohio Volunteer Infantry ( or 15th OVI ) was an infantry regiment in the Union Army during the American Civil War . Service . Three - months regiment . The 15th Ohio Infantry was organized at Columbus , Ohio on April 27 , 1861 in response to President Lincoln ' s call for 75 , 000 volunteers and mustered into service on May 4 , 1861 . The regiment moved to Zanesville , Ohio , May 8 , then to western Virginia . It performed duty on the Baltimore & Ohio Railroad and operations in the vicinity of Philippi , Laurel Hill and Carrick ' s Ford June 3 - July 16 . Involved in action at Bowman ' s Place June 29 . Ordered back to Columbus and mustered out August 27 – 31 , 1861 . Three - years regiment . The 15th Ohio Infantry was reorganized at Mansfield , Ohio in September 1861 and mustered in for three years service under the command of Colonel Moses R . Dickey . The regiment was attached to McCook ' s Command , October to November 1861 . 6th Brigade , Army of the Ohio , to December 1861 . 6th Brigade , 2nd Division , Army of the Ohio , to September 1862 . 6th Brigade , 2nd Division , I Corps , Army of the Ohio , to November 1862 . 1st Brigade , 2nd Division , Right Wing , XIV Corps , Army of the Cumberland , to January 1863 . 1st Brigade , 2nd Division , XX Corps , Army of the Cumberland , to October 1863 . 1st Brigade , 3rd Division , IV Corps , to August 1865 . Department of Texas to November 1865 . The 15th Ohio Infantry mustered out of service at San Antonio , Texas on November 21 , 1865 and returned to Columbus where its members were discharged on December 27 , 1865 . Detailed service . Moved to Camp Dennison , Ohio , September 26 , thence to Lexington , Ky . , October 4 . Duty at Camp Nevin , Ky . , October 14 - December 9 , 1861 . Occupation of Munfordville , Ky . , December 10 , 1861 . Duty at Bacon Creek , Ky . , until February 14 , 1862 . Advance to Bowling Green , Ky . , and Nashville , Tenn . , February 14 - March 2 . March to Savannah , Tenn . , March 16 - April 6 . Battle of Shiloh April 6 – 7 . Advance on and siege of Corinth , Miss . , April 29 - May 30 . March to Battle Creek , Ala . , June 10 - July 18 , and duty there until August 20 . March to Louisville , Ky . , in pursuit of Bragg , August 20 - September 26 . Pursuit of Bragg into Kentucky October 1 – 15 . March to Nashville , Tenn . , October 16 - November 7 , and duty there until December 26 . Advance on Murfreesboro , Tenn . , December 26 – 30 . Battle of Stones River December 30 – 31 , 1862 and January 1 – 3 , 1863 . Duty at Murfreesboro until June . Reconnaissance from Murfreesboro March 6 – 7 . Tullahoma Campaign June 22 - July 7 . Liberty Gap June 22 – 27 . Occupation of middle Tennessee until August 16 . Passage of the Cumberland Mountains and Tennessee River , and Chickamauga Campaign August 16 - September 22 . Battle of Chickamauga September 19 – 20 . Siege of Chattanooga , Tenn . , September 24 - November 23 . Chattanooga - Ringgold Campaign November 23 – 27 . Orchard Knob November 23 – 24 . Missionary Ridge November 25 . Pursuit to Graysville November 26 – 27 . March to relief of Knoxville , Tenn . , November 28 - December 8 . Operations in eastern Tennessee until February 1864 . At Cleveland , Tenn . , until April . Atlanta Campaign May 1 - September 8 . Demonstrations on Rocky Faced Ridge and Dalton May 8 – 13 . Battle of Resaca May 14 – 15 . Adairsville May 17 . Near Kingston May 18 – 19 . Near Cassville May 19 . Advance on Dallas May 22 – 25 . Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church and Allatoona Hills May 25 - June 5 . Pickett ' s Mills May 27 . Operations about Marietta and against Kennesaw Mountain June 10 - July 2 . Pine Hill June 11 – 14 . Lost Mountain June 15 – 17 . Assault on Kennesaw June 27 . Ruff ' s Station July 4 . Chattahoochie River July 5 – 17 . Peachtree Creek July 19 – 20 . Siege of Atlanta July 22 - August 25 . Flank movement on Jonesboro August 25 – 30 . Battle of Jonesboro August 31 - September 1 . Lovejoy ' s Station September 2 – 6 . Operations against Hood in northern Georgia and northern Alabama September 29 - November 3 . Nashville Campaign November – December . Columbia , Duck River , November 24 – 27 . Battle of Franklin November 30 . Battle of Nashville December 15 – 16 . Pursuit of Hood to the Tennessee River December 17 – 28 . Camp at Bird Springs , Ala . , until March 1865 . Operations in eastern Tennessee March 15 - April 22 . At Nashville , Tenn . , until June . Moved to New Orleans , La . , June 16 , thence to Texas . Duty at Green Lake until August 10 , and at San Antonio until November . Mustered out November 21 , 1865 . Reach Columbus , Ohio , December 25 , and discharged from service December 27 , 1865 . Casualties . The regiment lost a total of 315 men during service ; 7 officers and 172 enlisted men killed or mortally wounded , 1 officer and 135 enlisted men died of disease .