Hugh de Lacy was a notable figure in the 12th century, known for his role as a Norman lord in Ireland. He was granted extensive lands in Ireland after the Anglo-Norman invasion, which began in 1169. De Lacy played a significant part in the establishment of Norman control in the region, particularly in Meath. As a military leader, Hugh de Lacy was involved in various campaigns to consolidate Norman power. He served as the Justiciar of Ireland, overseeing the administration and defense of the territory. His influence helped shape the early political landscape of medieval Ireland.