Military officer; born in Waterford, Ireland
, Aug. 3, 1823; was educated in Ireland
and in England
In 1846 he became one of the leaders of the Young Ireland
He was already distinguished for his oratory, and was sent to France
to congratulate the French Republic
On his return he was arrested on a charge of sedition and held to bail.
Afterwards charged with treason, he was again arrested, tried, found guilty, and sentenced to death.
That sentence was commuted to banishment for life to Van Diemen's Land
, from which he escaped, and landed in New York in 1852.
Lecturing with success for a while, he studied law, entered upon its practice, and in 1856 edited the Irish news
When the Civil War
broke out he raised a company in the 69th New York Volunteers, and, as major of the regiment, fought bravely at Bull Run
Early in 1862 he was promoted brigadiergeneral of volunteers, and served in the Army of the Potomac in the campaign against Richmond
He was in Richardson
's division in the battle of Antietam
Engaged in the desperate battle of Fredericksburg
, he was badly wounded.
Immediately after the battle of Chancellorsville
(q. v.) he resigned.
He was recommissioned brigadier-general of volunteers early in 1864, and was assigned to the command of the district of Etowah.
In 1865 he was appointed secretary, and
in 1866 became acting governor of Montana
While engaged in operations against hostile Indians
, he was drowned at Fort Benton
, Mont., July 1, 1867.