John Beresford, 4th Marquess of Waterford

Reverend John de la Poer Beresford, 4th Marquess of Waterford (27 April 1814 – 6 November 1866) was an Irish peer and Church of Ireland minister.

[1] He was educated at Eton and Trinity College, Cambridge.

[2] He later entered the ministry and was the incumbent of Mullaghbrack, County Armagh and a Prebendary of St Patrick's Cathedral, serving under his uncle, Lord John Beresford.

[3] They had five sons: Beresford inherited the marquessate from his childless brother, Henry in 1859.

On his own death in 1866, the title passed to his eldest son, John.