78th Pennsylvania Infantry My Ancestor : 1st Lt . Samuel J . McBride - The Gallant 78th Regiment Pennsylvania Volunteers http : / / mcbridebumpusgenealogy . com / Samuel _ - _ Civil _ War _ Info . html The 78th Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War . Service . The 78th Pennsylvania Infantry was organized at Pittsburgh , Pennsylvania and mustered in for a three year enlistment on October 12 , 1861 under the command of Colonel William Sirwell . The regiment was attached to Negley ' s 4th Brigade , McCook ' s Division , at Nolin , to November 1861 . 7th Brigade , Army of the Ohio , to December 1861 . 7th Brigade , 2nd Division , Army of the Ohio , to March 1862 . Negley ' s Independent Brigade , Army of the Ohio , to August 1862 . 7th Brigade , 8th Division , Army of the Ohio , to November 1862 . 3rd Brigade , 2nd Division , Centre , Army of the Cumberland , to January 1863 . 3rd Brigade , 2nd Division , XIV Corps , Army of the Cumberland , to October 1863 . 3rd Brigade , 1st Division , XIV Corps , to July 1864 . Unassigned , 4th Division , XX Corps , Department of the Cumberland , to October 1864 . Garrison duty at Nashville , Tenn . , to September 1865 . The 78th Pennsylvania Infantry mustered out of service on September 11 , 1865 . Detailed service . Left Ohio for Louisville , Ky . , October 18 , thence moved to Nolin Station , Ky . , October 24 , and duty there until December . At Munfordville , Ky . , December 1861 to February 1862 . March to Nashville , Tenn . , February 14 - March 3 . Guard railroad from Nashville to Columbia until May , and at Decatur May . Expedition to Rodgersville May 13 – 14 . Negley ' s Expedition to Chattanooga May 28 - June 17 . Chattanooga June 7 – 8 . Garrison at Rodgersville and guarding Lamb ' s Ferry until July 18 . Moved to Nashville , Tenn . , and garrison duty there until December . Hermitage Ford October 20 . Nashville November 5 . Advance on Murfreesboro December 26 – 30 . Battle of Stones River December 30 – 31 , 1862 and January 1 – 3 , 1863 . Duty at Murfreesboro until June . Tullahoma Campaign June 23 - July 7 . Hoover ' s , Gap June 24 – 26 . At Dechard , Ala . , July 8 - August 15 . Passage of Cumberland Mountains and Tennessee River , and Chickamauga Campaign August 16 - September 22 . Davis Cross Roads or Dug Gap September 11 . Battle of Chickamauga September 19 – 21 . Rossville Gap September 21 . Siege of Chattanooga September 24 - October 27 . Reopening Tennessee River October 26 – 29 . Battles of Chattanooga November 23 – 25 ; Missionary Ridge November 24 – 25 . Reconnaissance to Lookout Mountain November 29 - December 2 . Duty on Lookout Mountain until May 1864 . Atlanta Campaign May 1 - June 21 . Demonstration on Rocky Faced Ridge May 8 – 11 . Battle of Resaca May 14 – 15 . Near Cassville May 19 . 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 – 21 . Pine Hill June 11 – 14 . Lost Mountain June 15 – 17 . Ordered to Chattanooga , Tenn . , June 21 . Duty guarding trains to the front July to September . Action at Dalton , Ga . , August 14 – 15 . Ordered to Decatur , Ala . , September 24 , thence to Nashville , Tenn . , and to Tullahoma September 29 . Returned to Nashville and duty there until September , 1865 . Old members ordered home October 1864 and mustered out at Pittsburgh , Pa . , November 4 , 1864 . Non - veterans and recruits were organized into a battalion of two companies . Battle of Nashville , Tenn . , December 16 – 17 , 1864 . Casualties . The regiment lost a total of 267 men during service ; 2 officers and 68 enlisted men killed or mortally wounded , 3 officers and 194 enlisted men died of disease .