Mary Chapman, emigrants from Scotland.  General Charles Smith Hamilton (1822-96), of Scottish descent, also served with distinction in the Mexican War.  General Grant ascribed the success of the repulse at Corinth to him.  Thomas Jonathan Jackson (1824-63), “Stonewall Jackson,” the noted Confederate General, was of Ulster Scot descent.  John Alexander Logan (1826-86), of Ulster Scot parentage, was later unsuccessful candidate for the Vice-Presidency in 1884, United States Senator (1871-77, 1879-86), and author of “The Great Conflict” (1866).  Major-General Robert McAllister (1813-91), great-grandson of Archibald McAllister from Scotland, 1732.  Charles Lafayette McArthur (1824-98), soldier, politician, and journalist, was of Scots parentage.  General Arthur McArthur (1845-1912), of Scots parentage, son of Arthur McArthur the Jurist, later served in the Philippines, became in 1906 Lieutenant-General, being the twelfth officer in the history of the Army to attain that rank.  Described as “our best read and best informed soldier.”  His son, Douglas, served with distinction in the Great War.  John McArthur, born in Erskine, Scotland, in 1826, emigrated to United States in 1849, was brevetted Major-General for gallantry.  General George Archibald McCall (1802-68), served in the Florida and Mexican Wars, and also rendered distinguished service in the Civil War.  Daniel Craig McCallum (1815-78), born in Renfrewshire, Superintendent of the Erie Railroad (1855-56), was Director of Military Roads in the United States (1862-65), and became Major-General in 1866.  “He introduced the inflexible arched truss, which has probably been in more general use in the United States than any other system of timber bridges.”  The McCooks, of Scottish descent, two Ohio families with a remarkable military record, often distinguished as the “Tribe of Dan” and “Tribe of John” from their respective heads—­two brothers, Major Daniel and Dr. John McCook.  All the sons, fourteen in number, served either in the Army or Navy, and all but one were commanding officers.  Clinton Dugald McDougal (b. 1839), Major-General and later Member of Congress (1872-77), was born in Scotland.  Irvin McDowell (1818-85), served in the Mexican War, in the Civil War had command of the Army of the Potomac, Major-General in 1872, was descendant of emigrant from Londonderry shortly after the siege in which his ancestor took part.  General John Bankhead Magruder (1810-71) and Commander George Magruder of the Confederate Army were said to be “direct descendants of the illustrious Rob Roy McGregor.”  Alexander Mackenzie (b. 1844), Chief of Engineers, was of Scots parentage.  David McMurtrie Gregg (b. 1833), served with distinction in battles of the Wilderness, and was afterwards Auditor-General of Pennsylvania.  John McNeil (1813-91), Brigadier-General, was born in Halifax, Nova Scotia, of Scots parentage.  General James Birdseye Macpherson (1828-64), of Ulster Scot descent, took a most prominent part in many battles.