
The Break of Dromore takes place on March 14, 1689, near Dromore, County Down in the early stages of the Williamite War in Ireland. It features Catholic Jacobite troops under Richard Hamilton and Protestant Williamite militia led by Hugh Montgomery and Arthur Rawdon.
The Protestant forces are taken by surprise and there is little fighting, reflected in the term “Break,” a Scottish word for rout. Victory secures eastern Ulster for the Jacobites but they fail to fully exploit their success.
While much of the Protestant population of east Ulster supports the claim of William III to thrones of Ireland, England and Scotland, the rest of Ireland, including the Lord Deputy of Ireland, Richard Talbot, 1st Earl of Tyrconnell, and the army, support James II. As a result, war breaks out in Ireland after James is deposed in the Glorious Revolution. At the start of the conflict, the Jacobites are left in control of two fortified positions at Carrickfergus and Charlemont in territory which is predominantly Williamite in sympathy. The local Williamites raise a militia and meet in a council at Hillsborough. They make an ineffective assault on Carrickfergus. However, this is easily beaten off and a local Catholic cleric named O’Hegarty reports that the Williamite are badly armed and trained.
The Jacobite commander in the north is Richard Hamilton, an experienced soldier who serves with the French military from 1671 to 1685, when he is appointed a colonel in the Irish Army. In September 1688, he and his regiment are transferred to England. When James flees into exile, he is held in the Tower of London. Released on parole by William in February, he is sent to negotiate with Talbot but drops this mission once back in Ireland. Alexander Osbourne, a Presbyterian clergyman, is sent to offer the Hillsborough council a pardon in return for surrender but they refuse, reportedly encouraged by Osbourne. On March 8, Hamilton marches north from Drogheda with 2,500 men to subdue the Williamites by force.
On March 14 Hamilton crosses the River Lagan and attacks a 3,000 strong Williamite force under Lord Mount Alexander at Dromore. Alexander’s cavalry falls back in disorder following a charge by the Jacobite dragoons. Seeing this, Hamilton orders a general advance of his infantry and the Williamite foot flee toward Dromore itself. They are overtaken in the village by the Jacobite cavalry and slaughtered, roughly 400 being killed and the rest fleeing for their lives.
Lord Mount Alexander rides to Donaghadee and takes a ship to England, while many other Protestants leave for Northern England or Scotland. Hamilton’s men capture Hillsborough, along with £1,000 and large stocks of food but fail to pursue their opponents. This allows the bulk of the militia under Rawdon and Henry Baker to reach Coleraine, then make their way to Derry, where they take part in the successful defence of the city.





