[1] Hobart was born in Welbourn, Lincolnshire to Augustus Hobart-Hampden, 6th Earl of Buckinghamshire and Mary Williams, daughter of Welsh barrister John Williams.
[1][2] On 4 August 1853, he married Mary Katherine Carr, daughter of the former Bishop of Bombay Rt.
He was the private secretary to Sir George Grey at the Home Office in 1855.
He was the Governor of Madras from 15 May 1872 till his death on 27 April 1875, decessit vita patris.
He died unexpectedly at Government House, Madras of typhoid fever.