The fourth son of Henry Nevill, 2nd Earl of Abergavenny, he was ordained in 1816 and occupied two of the family livings until 1844.
Nevill was born on 28 June 1792, the fourth son of Henry Neville, 2nd Earl of Abergavenny, and his wife Mary Robinson.
[1] Nevill was educated at Uckfield, matriculated at Christ Church, Oxford on 22 October 1812,[2] and was admitted fellow-commoner at Magdalene College, Cambridge on 29 March 1816, receiving his MA the same year.
On 1 November 1816, he was appointed rector[a] of the family living of Birling, Kent, and on 23 September 1818, to the vicarage of Frant, Sussex, which his elder brother John had vacated for him.
[4][b] He resigned his livings in 1844 and succeeded his unmarried elder brother, John, as Earl of Abergavenny in 1845.