Samuel S . Carroll Samuel Sprigg " Red " Carroll ( September 21 , 1832 – January 28 , 1893 ) was a career officer in the United States Army who rose to the rank of brigadier general during the American Civil War . The Maryland native was most known for his service as the commander of the famed " Gibraltar Brigade , " an infantry brigade in the Army of the Potomac that played a key role during the defense of Cemetery Hill during the Battle of Gettysburg , as well as in repulsing a portion of Pickett ' s Charge . Early life . Samuel S . Carroll was born near what is now Takoma Park , Maryland . He was a descendant of Charles Carroll , a signer of the Declaration of Independence . He was educated in the local schools , and received an appointment to the United States Military Academy in West Point , New York . He graduated 44th of 49 cadets in the Class of 1856 and was brevetted as a second lieutenant in the infantry . He was assigned to frontier duty at a variety of posts in the Old West before returning to West Point as the post ' s quartermaster . Civil War . Carroll was promoted to the rank of captain in the 10th U . S . Infantry shortly after the Civil War erupted . In December 1861 , he was appointed as colonel of the 8th Ohio Infantry , a three - years ' regiment that exclusively saw duty in the Eastern Theater . During the 1862 Valley Campaign , Carroll commanded the 4th Brigade in James Shields ' division . Carroll commanded the vanguard of the Union army at the Battle of Cross Keys . He was commended for his performance at the Battle of Cedar Mountain . Transferred with this brigade to the Northern Virginia area , he was severely wounded in the chest in a fight near the Rapidan River . He recovered in time to resume his field command in III Corps before the Battle of Fredericksburg . In 1863 , Carroll commanded the 1st Brigade , 3rd Division of the II Corps at the Battle of Chancellorsville . During the second day at Gettysburg , his 8th Ohio was involved in skirmishing along the Emmitsburg Road , while the other three regiments of the Gibraltar Brigade , 14th Indiana , Col . John Coons ( 191 ) 4th Ohio , Lieut . Col . Leonard W . Carpenter ( 299 ) and 7th West Virginia , Lieut . Col . Jonathan H . Lockwood ( counter - attack ed oncoming Confederates from North Carolina and the Louisiana Tigers from Jubal Early ' s division on the slopes of Cemetery Hill , driving them back in the growing darkness . Carroll later led his depleted brigade in some small engagements during the Mine Run Campaign . Carroll was promoted to brigadier general on May 12 , 1864 . He was twice wounded during the Overland Campaign , once at the Wilderness and again at Spotsylvania Court House . His left arm was amputated . After his recovery , he commanded the Department of West Virginia briefly and later led a division in the Army of the Shenandoah . Post War career . When the war ended , Carroll stayed in the postbellum Regular Army , serving in the inspector general ' s department . Partially invalided by his war - time injuries , he retired from the army in 1869 with the brevet rank of major general . In August 1886 , his wife divorced him . Death and legacy . In late January 1893 , Carroll contracted pneumonia and died six days later at the age of 60 at his country residence , " Belleview , " near Takoma Park , Maryland . His death was hastened by his never having fully recovered from his wounds . His funeral was held in St . John ' s Church in Washington , D . C . . He was buried with full military honors in Oak Hill Cemetery in Georgetown , Washington , D . C . . The main street in Takoma Park is named Carroll Avenue in his memory .