the arrest of O'Connor, O'Coigly, and his companion cannot have come from Ireland, because in the 'Book of Secret Service Monies expended in the Detection of Treasonable Conspiracies' no entry appears connected with the above incident, unless 'Dutton's Expenses going to England to attend Quigly's Trial,' and where he had merely to swear to the priest's handwriting. For his courage in doing this—having once seen him sign a lottery ticket at Dundalk—50l. is paid to 'Dutton on June 12, 1798.' The names of Newell and Murdoch certainly appear in the 'Secret Service Money' book about that time; but it is clear from Newell's narrative—doubtless a genuine and frank confession—that neither he nor Murdoch had any hand in tracing the movements of O'Coigly and O'Connor.
Lord Castlereagh was now acting for Pelham as Chief Secretary for Ireland. On July 25, 1798, a secret letter—printed in the 'Castlereagh Papers'—is addressed to him from the Home Office:—
I am directed by the Duke of Portland to inform your Lordship that I have received intelligence from a person very much in the confidence of [Reinhard] the French Minister at Hamburg,[49] that several French officers and soldiers have lately arrived at that place, where they have purchased sailor's dresses, clothed themselves in them, and gone on to Denmark and Sweden, from whence it is intended that they should embark for the North of Ireland.[50] I know not what credit is to be given to this information, which must be received with caution, as it does not appear to have reached his Majesty's Minister at Hamburg.
It comes, however, from a person[51] whose reports while he was in this country[52] were known to his Excellency as singularly accurate and faithful—the same who gave such an accurate account of the proceedings of O'Connor and Coigly whilst they were in this country, and on whose authority those persons were apprehended.[53]
Some of the letters of 'Lord Downshire's friend,' not being forthcoming in the official archives, Mr. Froude assumed that they had been destroyed; but, however masked, they are recognisable in the 'Castlereagh Correspondence.' Several anonymous papers, furnishing information of the movements of the United Irishmen about Hamburg and elsewhere, crop up in that book, having been enclosed from Whitehall for the guidance of Dublin Castle. One of these letters makes special reference to information already sent to Lord Downshire.[54]
Another long letter of the same batch will be found the first placed in the second volume of Castlereagh, though an examination of it shows that it belongs to the middle of the previous volume. Detailed reference is made to Father O'Coigly's mission and movements, both in France and in London. One is struck by the accuracy of its information regarding the Ulster United Irishmen, of whom Turner was one. Of MacMahon, who travelled to Paris with O'Coigly, we learn that, 'tired of politics, especially those of France, he is to write to Citoyen Jean Thomas,[55] à la poste restante à Hamburg, whom he looks on as a good patriot.'[56] It will be remembered that a similar phrase occurs in the letter of Downshire's friend, printed by Froude, i.e. Rowan had 'professed himself sick of politics.' Again, 'I found Maitland and Stewart, of Acton, both heartily sick of politics.'
How to hang O'Coigly was now the difficulty. The Government knew—from somebody who had worked with him—that he was deep in the treason; but nothing could persuade the informer to prosecute him openly.
On April 11, 1798, Wickham writes from Whitehall:—
It is most exceedingly to be lamented that no person can be sent over from Ireland to prove Coigly's handwriting. Proof of that kind would be so extremely material, that I have no doubt that the law officers would think it right to put off the trial if they could have any hope of any person being found, in a short time, who could speak distinctly to his handwriting.[57]
The secret adviser who, as Portland said, 'should be detained,' worked his brain until at length a man, hailing from a place suspiciously familiar to Turner, is sent for to swear to the point. Samuel Turner, formerly of Newry, had intimate knowledge of every man in the place. One Frederick Dutton, described as 'of Newry,' was now subpœnaed by the Crown to swear to O'Coigly's handwriting in a letter addressed to Lord Edward Fitzgerald. 'He claimed to have seen Coigly write his name for the purpose of getting a watch raffled which belonged to a poor man under sentence of death.' Dutton had been a dismissed servant and had kept a public-house at Newry without a licence.[58]
Turner—it seems absurd to doubt the identity—got back to London on Tuesday, May 15, 1798. What secret help he gave to the law officers can only be inferred, for they pledged themselves that he should never be asked to come forward publicly. Though O'Connor, O'Coigly, and Binns[59] were arrested on March 1, their trials did not take place till late in May 1798. The Duke of Norfolk, Lords Moira, Suffolk, Oxford, John Russell, and Thanet, Fox, Sheridan, Whitbread, Erskine, Grattan, all testified to O'Connor's character. All the prisoners were acquitted, except the priest, notwithstanding that Lord Cloncurry paid a counsel to defend him. He was hanged on Penenden Heath, June 7, 1798. Judge Buller had leant heavily on O'Coigly in his charge.
O'Coigly [writes Lord Holland] was condemned on false and contradictory evidence. I do not mean to aver, as Lord Chancellor Thurlow assured me he did to Judge Buller, who tried him, that 'if ever a poor man was murdered it was O'Coigly,' but simply to allude to a circumstance which, in the case of a common felon, would probably have saved his life. The Bow Street officer who swore to finding the fatal paper in his pocket-book, and remarked in court the folding of the paper as fitting that pocket-book, had sworn before the Privy Council that the same paper was found loose in O'Coigly's great-coat, and, I think, had added that he himself had put it into the pocket-book. An attorney of the name of Foulkes[60] gave me this information, and I went with it to Mr. Wickham, who assured me that the circumstance should be carefully and anxiously investigated before the execution. But the order had gone down, and while we were conversing the sentence was probably executed.[61]
Lord Holland adds that when the Judge was descanting on the mildness and clemency of the Administration, O'Coigly quietly took a pinch of snuff and said 'Ahem!'
When no evidence was produced in court which could legally ensure a verdict against O'Coigly, it seems reasonable to assume from the tone of the law officers and the Judge that they possessed some secret knowledge of his guilt, for in point of fact, though O'Coigly declared his innocence, he was deeply pledged to the conspiracy.
'O'Connor was leaving the court in triumph,' writes Mr. Froude, 'but the Government knew their man too well to let him go so easily. He was at once re-arrested on another charge, and was restored to his old quarters in Dublin Castle.'[62] From whom the fatal whisper came does not appear, but the sequel seems to leave no doubt that to Turner it was due. MacMahon and other prominent rebels were Presbyterian clergymen of Ulster. It was an object now with those who desired the collapse of the conspiracy to detach the Presbyterian party from the 'Papists.' Binns was a staunch Presbyterian rebel, a colleague of O'Coigly. In a letter dated Philadelphia, 1843, Binns, addressing Dr. Madden, states that great efforts were used to try and persuade O'Coigly to implicate him, 'offering Mr. Coigly his life if he would criminate me agreeable to the instructions of the Government, which proposal he indignantly refused to accede