Northern Ireland continues to be an exemplar of a state with divided identities. This chapter examines the identities that the two communities hold, focusing on ethnic or national identity and political identity. These are referred to as 'traditional' ethnonationalist identities. The chapter also examines how far these identities continue to reinforce one another and emphasizes the disinclination of Protestants and Catholics to move away from their traditional allegiances. It includes the changing patterns of national identities apparent in both Protestants and Catholics over more than 40 years. The chapter explores the trends in political identity over the same period. It evaluates some of the explanations to account for the changes that have occurred in traditional identities. The chapter provides an in-depth analysis of the importance of the rise in the Northern Irish identity. It assesses the prospects for change in pattern of ethnonationalist identity.