The MacCarthy of Muskerry is a prominent Irish noble family with roots in County Cork. They are part of the larger MacCarthy clan, which traces its lineage back to the ancient kings of Munster. The family played a significant role in the history of Ireland, particularly during the medieval period, when they were known for their influence and land ownership. The MacCarthy of Muskerry held the title of Baron and were known for their stronghold at Blarney Castle. They were involved in various historical events, including the Desmond Rebellions and the conflicts of the English Civil War. Today, their legacy is celebrated in local history and culture.