The document summarizes a session of the UCD Archaeological Research Seminar focusing on medieval Europe, specifically examining Loughmoe Castle's transitional architecture and early medieval archaeology in Ireland. Prof. Tadhg O'Keeffe discusses the architectural significance of Loughmoe Castle, arguing it represents a shift from medieval to modern design, while Aidan O'Sullivan reflects on the Early Medieval Archaeology Project's past achievements and outlines future research questions related to Ireland's early medieval identity and socio-economic organization. The session emphasizes the importance of both historical architecture and ongoing archaeological research in understanding Ireland's past.