Marcus Beresford, 1st Earl of Tyrone, known as Sir Marcus Beresford, 4th Baronet, until 1720 and subsequently as The Viscount Tyrone until 1746, was an Anglo-Irish peer and politician.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of Ireland
- Citizenship
- Ireland
- Born
- July 16, 1694
- Died
- April 4, 1763
