Henry de la Poer Beresford, 3rd Marquess of Waterford,, styled Lord Henry Beresford before 1824 and Earl of Tyrone between 1824 and 1826, was an Irish peer. Referred to as the "Mad Marquis", he is also remembered as an eccentric.
- Occupation
- aristocrat
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- April 26, 1811
- Died
- March 29, 1859
