Marcus Trevor, 1st Viscount Dungannon, also known as Colonel Mark Trevor, was an Anglo-Irish soldier and peer. During the English Civil War and the Interregnum he switched sides several times between the Royalist and Parliamentary forces. Under King Charles II he was a significant force in Ulster and in 1662 was created the first Viscount Dungannon.
- Occupation
- politician
- Position held
- Member of the Privy Council of Ireland
- Born
- 1618
- Died
- 1670