Ireland Lord of Roscommon
The Lordship of Roscommon
Roscommon Castle was built by the English justiciar in 1269 but was repeatedly captured by the O'Connor and O'Kelly clans. The Earldom of Roscommon was created for the Dillon family. The town was an important centre for the administration of Connacht. The Dominican Priory, founded in 1253, has fine medieval tombs.
The lordship system in Ireland has roots that stretch back to both the ancient Gaelic chieftain tradition and the Anglo-Norman feudal system introduced after the 12th-century invasion. Roscommon was part of this complex tapestry, where Gaelic lords and Norman barons often competed for influence, intermarried, and eventually merged their traditions into a uniquely Irish form of lordship.
The history of lordship in Roscommon reflects Ireland's turbulent past\x{2014}from the Gaelic chieftains who governed by custom and kinship, through the Norman lords who introduced feudal structures, to the Plantation-era landlords who reshaped the social landscape. Through all these changes, the connection between people, place, and title remained central to Irish identity and culture.
Roscommon and the Peerage
The Earldom (Dillon family) was the most prominent title. The O'Connors contested control.
View the full Peerage Hierarchy ChartNotable Lords of Roscommon
Roscommon Castle changed hands so many times between English and Irish lords that it was almost destroyed and rebuilt repeatedly.
Ireland Noble Surnames
Explore the noble heritage of Ireland's most prominent family names and discover their connections to the peerage.
Become a Lord or Lady of Ireland
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