The MacDonnell Massacre of 1575

The darkest chapter in Rathlin Island’s long history unfolded in July 1575, when English forces carried out a deliberate and systematic massacre of several hundred people — mostly women, children and elderly — who had sought refuge on the island during the Elizabethan conquest of Ulster.

Background: The Elizabethan Conquest of Ulster

By the 1570s, the English Crown under Queen Elizabeth I was intensifying its efforts to bring Ulster — the most Gaelic and least anglicised of Ireland’s provinces — under firm English control. The MacDonnell clan, a powerful Gaelic Scottish family who had established themselves across north-east Ulster and the Antrim coast, were seen as a particular obstacle to this ambition.

Walter Devereux, the 1st Earl of Essex, was appointed to lead the conquest of Ulster, with instructions to subdue the MacDonnell clan by whatever means necessary. Essex pursued his brief with brutal efficiency.

The Attack on Rathlin

In the summer of 1575, the MacDonnell clan chief Sorley Boy MacDonnell sent his family, dependants and followers to take refuge on Rathlin Island, believing them to be safe from English forces across the six miles of open water. It was a calculation that proved tragically wrong.

Essex dispatched a naval force under the command of Francis Drake — then a young naval officer, later to become Sir Francis Drake of Armada fame — to attack the island. The English forces landed on Rathlin and over the course of several days hunted down and killed the people sheltering there. Contemporary accounts suggest that several hundred people were killed, with estimates ranging from 200 to 600 men, women and children.

Sorley Boy MacDonnell watched the attack from the Scottish coast, utterly powerless to intervene. Contemporary accounts describe his anguish at witnessing the destruction of his family from a distance.

Historical Significance

The Rathlin Massacre of 1575 is one of the most significant atrocities of the Elizabethan conquest of Ireland, yet it remains relatively little-known outside specialist historical circles. Essex reportedly regarded it as a success, and Elizabeth I sent him a letter of congratulation.

Visiting Rathlin Island with this history in mind transforms the experience. The island’s quiet beauty and peaceful community life today exist in the shadow of a terrible event — one that shaped the subsequent history of Ulster and the MacDonnell clan for generations.

Remembrance

Today, the people of Rathlin Island remember this chapter of their history with solemnity. It is an important part of understanding the island not just as a nature reserve or tourist destination, but as a place with deep human roots and a complex, sometimes painful past.