What is recorded here

Markree Castle in County Sligo is the ancestral seat of the Cooper family, partially moated by the River Unshin. The Coopers have lived there since 1663, when Edward Cooper received the castle and surrounding lands. In the 1830s, the castle grounds held an observatory with the largest refracting telescope in the world, where staff discovered the asteroid 9 Metis in the 1840s.

Markree Castle is recorded as a castle in County Sligo. Its open map record supplies this location and any linked names or public references.

Markree Castle in County Sligo was built in the early 19th century by the Rosapenna family, who were prominent landowners in the region. It is remembered for its neoclassical architecture and as the former seat of the Barons Rosapenna.