Few political ideologies are as deeply rooted in historical anxieties and cultural existentialism as Unionism in Northern Ireland. While often framed as a simple allegiance to the United Kingdom, Unionism has always been driven by a more fundamental concern—the preservation of political, social, and economic dominance. From its earliest iterations, Unionism has been shaped by a fear of displacement, particularly in the face of an increasingly assertive Catholic population. This fear, rather than a mere cultural attachment to Britain, has dictated its political trajectory, from the formation of Northern Ireland to its resistance to power-sharing and civil rights reforms.
This article examines the historical underpinnings of Unionism, demonstrating how it has long been defined by a defensive posture against perceived threats to Protestant and Unionist supremacy. By tracing its evolution from the Great Famine to the partition of Ireland, we see a pattern of reactionary politics rooted in the fear of losing status in a statelet where supremacy was guaranteed. However, as Northern Ireland moves towards an era where a border poll on reunification seems increasingly plausible, this defensive mindset faces its greatest challenge yet. The 2021 census marked a significant turning point, recording Catholics outnumbering Protestants for the first time. This demographic transformation, coupled with Sinn Féin’s emergence as the largest party in the Northern Ireland Assembly in 2022, has amplified discussions on Irish unification and raised profound questions about the future of Unionism. The lingering effects of Brexit and the ongoing disputes over the Northern Ireland Protocol have only added further uncertainty to Unionism’s position. These political developments have been lauded as a signal of a shift away from the binary sectarianism of the past, pressing Unionism to reckon with whether it can modernise or risk obsolescence. This article, however, investigates whether the political sophistry of which this ideology is now wrapped up in can escape its sectarian roots. Can Unionism adapt to a changing political landscape, or will it cling to outdated notions of ascendancy in a society where demographics and political realities are shifting against it?
The sectarian divisions that manifested in the 1960s onwards in Northern Ireland can find their origins—at least—as early as the Great Famine of 1845. The Famine, caused by a plant infection—potato blight, caused by the fungus Phytophthora infestans—resulted in the deaths of one million people and the emigration of over another million. The colonial force in Ireland—Great Britain—historically feared rebellion. However, the loss of three million people significantly reduced the capacity for organised resistance, contributing to a relative stabilisation of colonial control. Over time, the British political climate shifted towards a more cautious approach to governance in Ireland, particularly as sectarian divisions in the 20th century overshadowed earlier revolutionary aspirations.
Although Catholic Emancipation was enacted in 1829, it is truly the mass reduction in population that enables it to take effect. With more land available and fewer people, a predominantly Catholic middle class rapidly develops. If you compare 1798 to 1898, Presbyterians have been brought into the fold of Unionism in the face of an emerging Catholic hegemony in Irish affairs. In the northern six counties, voting patterns are almost consistently Unionist, but this is not guaranteed. This realisation develops a new mindset.
The Irish Parliamentary Party (IPP), particularly under Charles Stewart Parnell and later John Redmond, became kingmakers in Westminster because of their crucial position as a third party in the British Parliament. The British political landscape was divided between the Liberal and Conservative parties, with neither having a consistent parliamentary majority. The IPP, holding a significant number of seats, could tip the balance of power by supporting one of the major parties. This gave them negotiating leverage, particularly in the context of Home Rule for Ireland. Ultimately, Unionists realize Ireland is hurtling towards Home Rule, which will be dominated by the triumphant Redmondite wing of the IPP.
In many respects, the “Home Rule is Rome Rule” mantra is misleading. For many Unionists, the fear is of a huge shift in power away from Belfast and back towards Dublin, where a newly empowered Catholic middle class is awaiting them with the proverbial knives out. The only effective opposition to Home Rule can be found in the North, where Protestants are a numerical majority; the middle-class Protestants of the south are outnumbered, and so Unionism became focused entirely on Ulster. After the victory of the pro-Treaty side of the IRA in the War of Independence, culminating in 1921, the state of Northern Ireland was formed, and a Protestant majority was purposefully ensured.
It is not controversial to posit that the Northern Irish state, upon its inception in 1921, is rife with sectarian, anti-Catholic discrimination. Scholars and politicians alike often quarrel on the extent of discrimination, but its existence is indisputable. In Dungannon in 1963, over 300 families were on the waiting list for a house—yet no Catholic had been allocated a permanent house in over 34 years by Unionist dominated housing associations and councils; gerrymandering meant that in Derry’s Guildhall in 1967, Unionists held 67% of the seats, yet Unionism only held 32% vote due to the Nationalist majority amongst the populous. Discrimination was arguably most salient in employment; industries such as linen and shipbuilding—on which Belfast’s economy was built—were reserved for working-class Protestants, while the white-collar sector was almost wholly Protestant-run. From 1945 onwards, deindustrialisation plagued Northern Ireland but affected the Protestant-Unionist community twofold. They suffered not only the effects of deindustrialisation but also the legacy of Catholic exclusion from employment. Catholics, who had never held trade-union-protected jobs and relied on Catholic Church-run education, were in a better position than their Protestant neighbors, who struggled to adapt to the rise of the tertiary sector. Where this meets material frustration is the loss of privilege in professions in terms of employment opportunities. To use an example, roughly twenty people in Northern Ireland can become a barrister every year – historical de facto exclusion of Catholics elevated the position of Protestants within this sphere; an upper middle class Northern Irish Protestant was in a far more advanced position to qualify as a lawyer, engineer or doctor than their counterparts in Dublin or London. State schools were open to all, but the Catholic Church feared Protestant indoctrination and thus operated a parallel network of Catholic schools. For pragmatic reasons, the NI government subsidised Catholic primary schools, and after the establishment of the British welfare state in 1945, Catholic secondary education was state-funded.
Catholics had traditionally attended university in relatively small numbers because (a) only a minority could afford secondary school, and (b) only a subset of those students could afford university. The post-WWII British government changed this. As secondary education became free and university education subsidised, the numbers of Catholics availing of higher education surged.
Ironically, twenty-two years after the introduction of state-supported secondary and third-level education, civil rights protests exploded on the streets of Belfast and Derry. Many of the young leaders demanding an end to gerrymandering and discrimination were newly minted teachers, journalists, and lawyers—the first generation of Catholics to benefit from mass free education. Without intending to, the British government had underwritten the Northern Ireland Civil Rights movement. The suspension of Stormont in 1972 meant a complete loss of control for the Unionist-dominated government and signaled the demise of their parliamentary ascendancy, held since at least the early 1920s. Scholars such as Ian Wood attribute the suspension of Stormont to the increase in Unionist paramilitary attacks in frequency and severity. This is a particularly salient position in the face of growing fears of a return to Unionist violence as the calls for a border poll increase.
Ultimately, Unionism has presented itself as an ideology birthed from, and consoled by, a fear of loss of status and control. Every advancement of the position of their Catholic neighbours translated into a disempowerment in their own conditions. It has never truly been about an affinity to Britain or the Crown – rather their place in the Union has generationally been a facilitator of dominance and privilege. It exists as a lament for the loss of control of the state – an expression of frustration over the loss of privilege which followed. This historical context realised, what does this mean for the future of Northern Ireland in the face of rapidly developing shifts in the nation both demographically and by extension, electorally?
As previously mentioned, the 2021 census recorded Catholics outnumbering Protestants for the first time in Northern Ireland ever. In the following year, Sinn Féin became the largest party in the Northern Ireland Assembly in the 2022 elections. Although this was believed to be the final signal for a coming border poll, some opinion polls on Irish unification have typically sat at a 50/50 split. Paramilitaries such as the UDA and UVF have also warned against unification with the threat of a re-emergence of violence.
Beyond security concerns, Unionism also faces a fundamental strategic question: adaptation or decline? Some within Unionist politics argue that modernising and expanding Unionism beyond its traditional Protestant base—by appealing to Catholic Unionists, ethnic minorities, and a growing secular middle ground—could help preserve Northern Ireland’s place in the UK. The rise of the Alliance Party, which presents itself as non-sectarian, signals a growing appetite for post-sectarian politics, particularly among younger voters who do not identify with the traditional Orange vs. Green divide. However, if Unionism remains entrenched in an exclusivist, reactionary position, it risks further alienation and accelerating its own decline; an ideology which flourishes on numerical majority and demographic strength is proverbially backed into a corner. The DUP’s two-year long boycott of Stormont following the The Northern Ireland Protocol, part of the UK-EU Brexit Withdrawal Agreement, suggests perhaps this stance is not entirely a thing of the past.
Ultimately, the future of Unionism is now defined by uncertainty rather than dominance. Once built on strength, majority rule, and control, it is now grappling with demographic realities, political shifts, and dispersing allegiances. The key question remains: will Unionism evolve into a political movement that can navigate a pluralistic Northern Ireland, or will it remain frozen in defensive resistance, risking political irrelevance in a society moving beyond the old divisions? The answer will determine not only the fate of Unionism but also the trajectory of Northern Ireland itself.