He inherited the viscountcy of St Vincent in 1823 by special remainder on the death of his uncle and changed his name by Royal Licence to Edward Jervis Jervis.
He owned the "Canaan" slave plantation in the British colony of Jamaica, which he inherited from his father.
[2] On 29 January 1790 he married Hon Mary Cassandra Twisleton, daughter of Major-General Thomas Twisleton, 13th Baron Saye and Sele.
They had two children before divorcing in 1799: On 14 April 1810 Jervis married Mary Anne Parker of Park Hall, Staffordshire with whom he had two further children: The 2nd Viscount's elder son William Jervis Jervis having pre-deceased him in 1839, he was succeeded on his death in 1859 by his grandson Carnegie Robert John Jervis, 3rd Viscount St Vincent.
This biography of a viscount in the peerage of the United Kingdom is a stub.