What is the origin of the hourigan family? Early Origins of the Hourigan family. The surname Hourigan was first found in County Cork (Irish: Corcaigh) the ancient Kingdom of Deis Muin (Desmond), located on the southwest coast of Ireland in the province of Munster, where they were part of the main tribe in prehistoric times, known as the Corca Laoidhe.What is the hourigan experience? Welcome to the Hourigan Experience — a smarter, better way to define and build your future. About Created with Sketch. Created with Sketch. Anticipating every angle. Keeping you ahead of the curve requires integrating excellence at every opportunity.