Marcus Beresford (1764–1797)

Marcus Beresford (14 February 1764 – 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.

Beresford was returned to the Irish House of Commons for Dungarvan in 1783, a seat he held 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, aged 33. His wife survived him by over 40 years and died in May 1840.