The studies in this volume range across literature, archaeology, law and theology and show Ireland~and Wales as societies in close contact. --- Contents: Proinsias Mac Cana, Ireland and Wales in the Middle Ages: an overview; Iwan Wmffre (UU), Post-Roman Irish settlements in Wales; Catherine Swift (Mary I, Limerick), Welsh ogams~from an Irish perspective; Susan Youngs (Reading U), Britain, Wales and Ireland: holding things together; Alex Woolf (St Andrews), The expulsion of the Irish from Dyfed; Karen Jankulak (U Wales, Lampeter), British saints, Irish saints, and the Irish in Wales; Colm#65533;n Etchingham (NUIM), Viking-age Gwynedd and Ireland; John Carey (UCC), Bran son of Febal and Br#65533;n son of Llyr; Morfydd Owen (Aberystwyth), Medieval Irish and Welsh law; Jonathan Wooding (U Wales,~Lampeter), Coastal chapels in Ireland and Wales; Robert Babcock (Hastings College, Nebraska), Rhys Ap Gruffudd and Ruaidr#65533; Ua Conchobair compared; Madeleine Gray (U Wales, Newport) & Salvador Ryan (NUIM), Mother of Mercy.