[THEOBALD WOLFE TONE, the founder of the ASSOCIATION OF UNITED IRISHMEN, was born in Dublin in 1764, and, after passing through Trinity College, came to London to prosecute his legal studies, which he soon forsook for politics, being induced thereto by the indignation excited in his breast by the persecution of the Irish Catholics, whose cause, although himself a Protestant, he warmly advocated. With the view of getting their grievances redressed, he founded the society of UNITED IRISHMEN, which gave great alarm to the English Government. His liberty being menaced, he went to America, and thence to France, where he arranged with Gen. Hoche the expeditions to Bantry Bay and the Texel. Being appointed Adjutant-General, he served in several of the French armies, and lastly in Gen. Hardi’s expedition to Ireland in October, 1798. The vessel he was aboard of was captured by the English, and he was conveyed to Dublin, tried by a Court-Martial, and sentenced to be hanged. He anticipated his execution, however, by committing suicide in prison, 19th November, 1798.—ED.] ARTHUR O’CONNOR. [On the 21st and 22nd May, 1798, ARTHUR O’CONNOR (proprietor of a Dublin newspaper, _The Press_), JOHN BINNS (an active member of the _London Corresponding Society_), JOHN ALLEN, JEREMIAH LEARY, and JAS. O’COIGLY, _alias_ Jas. Quigley, _alias_ Jas. John Fivey (a Priest), were tried at Maidstone for High Treason. ROBERT FERGUSSON was counsel for Allen. O’COIGLY only was found Guilty, and was executed 7th June, on Pennenden Heath. After being suspended for ten minutes, he was cut down and his head severed from his body: the disgusting remainder of his sentence was remitted. He met his death with great fortitude, and denying to the last the charge of treasonable correspondence abroad. In the _State Trials_, vols. 26 and 27, are included the Life of the prisoner; Observations on his Trial; Address to the People of Ireland; and Letters, all written by himself during his confinement in Maidstone Gaol. His real name, he says, was the Rev. Jas. Coigly, and his age 36. “Can you imagine a man more treacherous and profligate than O’COIGLY?” said Sir James Mackintosh to DR. PARR. “Yes, Sir, he might have been worse: he was a parson—he might have been a lawyer; he was a traitor—he might have been an apostate; he was an Irishman—he might have been a Scotchman.” When it is recollected that Mackintosh was a Scotchman and a lawyer, and that he had written in defence of the French Revolution against Burke, these observations of Dr. Parr were both insolent and uncalled for.