Marcus Beresford (14 February 1764 â 16 November 1797) was an Irish politician.
A member of the Beresford family headed by the Marquess of Waterford, he was the eldest son of John Beresford. George Beresford and John Claudius Beresford were his younger brothers. He was educated at Trinity College, Dublin.
Beresford returned to the Irish House of Commons for Dungarvan in 1783 and held this position until his death fourteen years later.
Beresford married Frances Arabella, daughter of Joseph Leeson, 1st Earl of Milltown, in 1791. They had three children:
He died in November 1797 at the age of 33. His wife lived over 40 years longer than him and died in May 1840.