Hervey de Montmorency, 4th Viscount Mountmorres
Irish dean, peer
Hervey de Montmorency, 4th Viscount Mountmorres (August 20, 1796 - 24 January 1872) was the Dean of Cloyne from 1845 until 1850 when he was appointed Dean of Achonry, a post he held until his death in 1872.