Ireland’s Wars: The Moyry Pass

While Hugh Roe O’Donnell was dealing with seaborne invasions and rebellious cousins, Hugh O’Neill had problems of his own to sort out.

Hugh remained, as far as Elizabeth and her administration were concerned, the big fish of the whole thing and Lord Mountjoy was directed to go after him as much as possible. But Mountjoy was no fool. He could see the problems of terrain, of land, of forces all too clearly. The English had suffered two significant defeats – at Clontibret and the Yellow Ford – while attempting to attack Tyrone directly, and there was a reason for that.

Mountjoy preferred to play it patiently and advance slowly, making gains and consolidating them, putting the squeeze on. His big move in that regard would come later, but by the middle of 1600 he had already done much. The rebellion in Munster was all but over, Leinster was secured, Tyrconnell had been invaded, the O’Donnell’s had been divided. But still, there was Hugh O’Neill.

Mountjoy had launched a small skirmishing operation in the late Spring in order to aid the landings in Tyrconnell, temporarily drawing off the forces of Hugh O’Neill without risking a major engagement. He continued a policy of establishing small forts all around the borders of Ulster in order to improve his position, but held off on anything more substantial for a time. That came in September.

Hugh had been quiet for most of the year, dealing with setbacks in Munster and at home. But that was not to say he was entirely lazy. He busied himself fortifying the entrances to the Tyrone heartland, and continuing his correspondence with the Spanish royal court, continuing to make a case for foreign intervention in Ireland. While the situation in the island was starting to turn against the rebels, his pleas were gaining more and more of a receptive audience and aid had already been sent. Just what O’Neill was promising in return for a more substantial showing of support – in the form of soldiers – is up for debate.

Mountjoy may not have been aware of the extent of correspondence between Tyrone and Spain, but it didn’t really change anything. In September, under the direction of Elizabeth, eager to finally pull one over Hugh, he gathered his forces and headed north.

I must have mentioned in a past article, but he bears repeating for the following: there were very few ways of attacking Ulster in this time period. The land had few roads, and was covered in forests, bogs and mountains, impassable for any force of notable size. Ulster had only a few ways that were truly passable for an army, such as by Sligo to the west, or up the Blackwater river. One of the others, that the English had attempted before, was the Moyry Pass through the Mourne Mountains, located in modern day County Down, not too far from the border with Louth. The N1 road network goes through the site today.

Mountjoy’s coming campaign aimed to head through this pass, but his goal was not primarily to engage Hugh, though he must have expected this. In truth, the real aim of this expedition was to re-garrison and fortify the town of Armagh, which had been given up after the disaster of the Yellow Ford in 1598. Gaining military control over Armagh once more would continue to increase the pressure on Tyrone, and would be a more forward launching point for any future offensive, with the most northerly area suitable for such a purpose being Dundalk at that point, which was where Mountjoy marched from in mid-September.

As mentioned, Hugh O’Neill had been preparing for an assault, probably thinking there would be one ever since the landings in Tyrconnell. His lack of support for the effort to repulse those invaders may be explained by his expectation of having to fight in the east of Ulster. The war was coming to both of the major rebel players, at the same time. O’Neill prepared, hoping to continue his streak of fighting on ground of his choosing where he had prepared accordingly. Three lines of trenches had been dug through the pass, further defended by earthworks, stoneworks and other barricades, with the heights on either side of the pass also given attention in that regard. Fully aware that any English offensive would have to come through this spot, O’Neill was leaving nothing to chance. While he could not have left the position fully garrisoned at all times, Mountjoy could make no secret of any move by his army, and by the time the Pale troops reached the entrance of the pass, four days after leaving Dundalk, the army of Tyrone was there to meet them. Both sides would probably been fairly even in terms of numbers, the usual mix of infantry, musketeers, cavalry and artillery. Neither side would have had more than 5’000 men to put forward.

The weather was not good in Antrim that autumn, and Mountjoy showed himself unwilling to just assault the defences like Conyers Clifford had done at the Curlew Pass the previous year. His army set up camp just to the south and a stand-off ensued, broken only on the 25th when a brief sortie by the English was made to probe the Irish fortifications. This sortie was made by Thomas Williams, who happened to be the officer who had commanded the Blackwater fort during the Yellow Ford debacle when his efforts to intervene had been checked by a Tyrone rearguard. His reconnaissance, done in the advantage of a foggy day, cost the English around 40 casualties.

No more attacks were made for nearly a week, though this may have been due more to the weather than any fear of the defences that Williams had taken a close look at. The conditions became rainy, and this reduced any muskets or artillery to the status of dead weight in combat. The two armies continued to just stare back at the other. Such a state of affairs could not last. Neither side had the ability to keep an army in the field for so long without any gain. O’Neill was certainly not going to leave his defences though, and Mountjoy’s aim was on the other side of the pass.

On October 2nd, with the weather breaking, Mountjoy finally made his move, sending four regiments worth of soldiers forward into the pass. The fighting was tough and lasted most of the day, with different units switching as the vanguard for every line of defence breached. The Irish fought limited engagements behind the first two lines, with the English securing both. It was not until a try was made on the third line that full enfilade fire erupted on the English from the heights of the pass, O’Neill having kept most of his force in reserve, content to lure the English in and then hit them when they were in the most perilous position.

English declarations of their loss are quite low given the situation, but even allowing for some addition, the numbers could not have been that high. The counter-attack from the Irish was sudden and vicious, with the English forced into a retreat that left a good deal of equipment behind, but the result is not noted by any source as the equal of earlier setbacks. After three hours of fighting in the last part of the defences, the English retreated out of the pass.

It was another Irish victory, but Mountjoy did not slink away. Three days later he attempted something a bit more artful, sending a cavalry unit up the middle of the pass while two infantry units attempted to hit the Irish on the flanks by scaling the western height. This attack went nowhere, neither part of the English plan coming to any noteworthy success. It was a risky move, very difficult to co-ordinate in that kind of terrain and O’Neill easily dealt with both parts of the attack, neither of which could have succeeded without the success of the other. The English again recorded their losses as rather light, no more than 250 casualties.

The stand-off resumed, but now Mountjoy had seemingly had enough. A few days later, the English packed up and headed back to Dundalk, leaving the Irish in their defences. It looked like another O’Neill success, badly wanted given the failures earlier in the year. While it had not been the slaughterhouse of previous battles, Mountjoy had been frustrated in his aims.

What happened next is not well recorded (in fact, many Irish sources barely record this fight at all), but within a few days of Mountjoy’s retreat, the Moyry Pass was undefended. O’Neill and the vast majority of his forces had gone home, leaving the road to Ulster yawning open, with O’Neill himself situated at a base on Lough Lurgan far to the north. Mountjoy had only just gotten back to Dundalk, on the 14th of October, when he received this news. He probably was suspicious, but might not have believed his luck.

What happened? Maybe O’Neill misjudged the situation, and assumed Mountjoy would now return to the Pale for the winter. Maybe he was worried that another far-reaching flank attack, through Newry, could catch him unawares. Maybe he simply running short on food and supplies, and couldn’t keep his army going. Or maybe his troops could not be kept together, wanting to head back to their lands after being in place for several weeks without major engagement.

Whatever it was, Mountjoy gleefully accepted the gift that had fallen into his hands, occupying the Pass on the 17th of October. It is likely that a token force had been left behind to garrison the area but this would have been brushed aside. After destroying the Irish defences there he moved on to Carrickban, not far from the town of Newry, before beginning a march in the direction of Armagh.

He got as far as Mountnorris, around halfway between Newry and Armagh. By that time O’Neill had found out about what was happening and was scrambling to enact another defence, worried that he had left his entire country undefended. Mountjoy decided not to chance his arm, unwilling to face into an unexpected battle and risk another defeat like the others who had come before him. Armagh remained out of England’s reach for now, though Mountjoy did raise up an earthwork fort in Mountnorris which he kept garrisoned with 400 men, as a threat to the Tyrone position behind the Moyry Pass.

After that, the rest of the Pale army headed back to Newry, and from there to Dundalk. They took a more circular route though, through the settlement at Carlingford on the Cooley Peninsula. It was going through a pass here, the Fathom Pass, that another clash with O’Neill apparently occurred, with some small loss on the English side, but Hugh was not able to stop their passage back to the Pale. Why Mountjoy took this route is not recorded in any detail, though he maybe he was just trying to avoid an encounter with O’Neill and his suddenly reassembled army. It was now November, and just as was the case in Tyrconnell, campaigning season had come to an end, with neither of the rebel countries happy with the state of affairs.

The Battle of the Moyry Pass is a rather bizarre episode in the history of the Nine Years War. Mountjoy did not have sufficient force or tactical options to take the pass and had seemed to blunder in even attempting it. O’Neill then abandoned this strong position that his men and fought and killed for, allowing the English to pass through the mountains unhindered. Then Mountjoy failed to complete his original objective anyway, and faced another threat on the way home. Neither side is able to cover themselves in much glory, with mistakes and bad decisions being committed by both Mountjoy and Hugh O’Neill, though I would argue that Hugh’s faults were worse. Mountjoy may not have made it as far as Armagh, but he did penetrate into Tyrone territory, was able to build another fort there, all while Hugh O’Neill was elsewhere. Mountjoy now had an advantage in any future offensive he cared to make, and that would not be long in the coming.

So, the stage was set heading into the New Year. Hugh Roe faced down his own family and English invaders. Hugh O’Neill considered how best to respond to growing English presence in or close to his own land. Mountjoy made ready his more devastating moves. The Spanish readied their own response. 1601 would be a momentous year for all parties.

To read the rest of the entries in this series, click here to go to the index.

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8 Responses to Ireland’s Wars: The Moyry Pass

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