13th Regiment Massachusetts Volunteer Infantry The 13th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War . It was formed on July 16 , 1861 at Fort Independence in Boston , Massachusetts . Its original commander was Colonel Samuel H . Leonard . Organization and Assignments . The 13th Massachusetts Volunteer Infantry was organized at Fort Independence in Boston , Massachusetts on June 16 , 1861 . It left for Washington , D . C . , on July 30 . Attached to Stile ' s Brigade , Banks ' Division , Army of the Potomac , to October , 1861 . Abercrombie ' s Brigade , Banks ' Division , to March , 1862 . 2nd Brigade , 1st Division , Banks ' 5th Army Corps and Dept . of the Shenandoah , to May , 1862 . 3rd Brigade , 2nd Division , Dept . of the Rappahannock , to June , 1862 . 3rd Brigade , 2nd Division , 3rd Army Corps , Army of Virginia , to September , 1862 . 3rd Brigade , 2nd Division , 1st Army Corps Army of the Potomac , to May , 1863 . 1st Brigade , 2nd Division , 1st Army Corps , to March , 1864 . 1st Brigade , 2nd Division , 5th Army Corps , to June , 1864 . 1st Brigade , 3rd Division , 5th Army Corps , to July , 1864 . 1861 to 1862 . The regiment was assigned to patrol and outpost duty on the Upper Potomac until March , 1862 . It first saw action at Beller ' s Mill , near Harper ' s Ferry , West Virginia on September 2 , 1861 . Pritchard ' s Mills September 18 ( 2 Cos . ) . Bolivar Heights near Harper ' s Ferry , October 16 . ( Cos . " C , " " D , " " I " and " K " detached at Hancock , Md . , January 5 – 30 , 1862 . ) Occupation of Winchester , Virginia , March 12 . Pursuit of Jackson up the Shenandoah Valley from March 24 to April 27 . Guard duty on the Orange & Alexandria Railroad May 3 to 18 . Battle of Cedar Mountain on August 9 . Pope ' s Campaign in Northern Virginia August 16 to September 2 . Battle of Thoroughfare Gap on August 28 . 2nd Battle of Bull Run on August 30 . Battle of Chantilly September 1 . Served in the Maryland Campaign September to October . Battles of South Mountain September 14 , and the Battle of Antietam September 16 – 17 . At Sharpsburg until October 30 . Movement to Warrenton , thence to Falmouth , Virginia , October 30 to November 19 . Fought at the Battle of Fredericksburg , Virginia from December 12 to 15 . 1863 . The regiment was part of the infamous " Mud March " January 20 – 24 , 1863 . At Falmouth and Belle Plain until April 27 . Participated in the Chancellorsville Campaign April 27 to May 6 . Operations at Pollock ' s Mill Creek April 29 - May 2 . Fitzhugh ' s Crossing April 29 – 30 . Battle of Chancellorsville May 2 – 5 . Gettysburg ( Pa . ) Campaign June 11 - July 24 . Battle of Gettysburg July 1 – 3 . Picket duty along the Rapidan until October - - . Bristoe Campaign October 9 – 22 . Advance to line of the Rappahanock November 7 – 8 . Mine Run Campaign November 26 - December 2 . 1864 . Duty on the Orange & Alexandria Railroad until April , 1864 . Demonstrations on the Rapidan February 6 – 7 . Campaign from the Rapidan to the James May – June . Battles of the Wilderness May 5 – 7 ; Spottsylvania May 8 – 12 ; Spottsylvania Court House May 12 – 21 . Assault on the Salient May 12 . North Anna River May 23 – 26 . Jericho Ford May 23 . Line of the Pamunkey June 26 – 28 . Totopotomoy May 28 – 31 . Cold Harbor June 1 – 12 . Bethesda Church June 1 – 3 . White Oak Swamp June 13 . Before Petersburg June 16 – 18 . Siege of Petersburg June 16 - July 14 . Mustered out August 1 , 1864 . Casualties . Regiment lost during service 4 Officers and 117 Enlisted men killed and mortally wounded and 40 Enlisted men by disease . Total 161 .