Mervyn Edward Wingfield, 7th Viscount Powerscourt was an Irish peer. He became Viscount Powerscourt in 1844 on the death of his father Richard Wingfield, 6th Viscount Powerscourt. Through this Wingfield line he was a maternal descendant of the Noble House of Stratford. His mother was Lady Elizabeth Frances Charlotte, daughter of Robert Jocelyn, 3rd Earl of Roden.
- Occupation
- writer, art collector
- Position held
- Member of the Privy Council of Ireland, member of the House of Lords
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born