The Duke of Abercorn is a title in the peerage of the United Kingdom, created in 1868. The title is associated with the Abercorn family, which has historical ties to both Scotland and Ireland. The current holder of the title is the 8th Duke, who has responsibilities related to the family estate and various ceremonial duties. The Duke of Abercorn's family seat is Gosford Castle in Northern Ireland, a notable landmark with a rich history. The title is part of the Peerage of the United Kingdom, which includes various ranks such as duke, marquess, earl, viscount, and baron.