Dictionary of National Biography, 1885-1900/Colclough, John Henry
COLCLOUGH, JOHN HENRY (1769–1798), Irish rebel, was descended from the old family of Colclough which had settled in Wexford in the time of Edward III. Owing to the importunity of his tenants he joined the insurrection of 1798, and acted as one of the leaders at the battle of New Ross. On the occupation of Wexford by the royalists he fled along with Bagenal Beauchamp Harvey [q. v.] to the Saltee Islands, where for some time he lay concealed in a cave. He was tried by court-martial and executed on Wexford Bridge on 28 June 1798.
[Madden's United Irishmen; Edward Hay's History of the Insurrection in Wexford in 1798, Dublin, 1803; Webb's Compendium of Irish Biography.]