Background
Cowper (pronounced "Cooper") was the eldest son of George Cowper, 6th Earl Cowper, by his wife Anne de Grey, 7th holder of the barony of Lucas of Crudwell, daughter of Thomas de Grey, 2nd Earl de Grey.
Cowper (pronounced "Cooper") was the eldest son of George Cowper, 6th Earl Cowper, by his wife Anne de Grey, 7th holder of the barony of Lucas of Crudwell, daughter of Thomas de Grey, 2nd Earl de Grey.
He was educated at Harrow School and the University of Oxford.
He was Lord Lieutenant of Ireland from 1880 to 1882. He was commissioned a cornet in the Yorkshire Hussars on 19 February 1852. On 22 November 1855, his father appointed him a deputy lieutenant of Kent.
Cowper entered the House of Lords on his father"s death in 1856 and served under William Ewart Gladstone as Captain of the Honourable Corps of Gentlemen-at-Arms (Government Chief Whip in the House of Lords) from 1871 to 1874 and as Lord Lieutenant of Ireland from 1880 to 1882.
He became a Knight of the Garter in 1865 and was admitted to the Privy Council in 1871. Apart from his political career Cowper held the position of Lord Lieutenant of Bedfordshire between 1861 and 1905.
He was also a Deputy Lieutenant of Nottinghamshire and Kent. In 1871 Cowper managed to obtain a reversal of the attainder of the Scottish lordship of Dingwall, which had been under attainder since 1715, and now became the 4th Lord Dingwall as well.
In 1880 he also succeeded his mother as 8th Baron Lucas of Crudwell.
Lord Cowper married Lady Katrine Compton, daughter of William Compton, 4th Marquess of Northampton, in 1870. The marriage was childless. Cowper died in July 1905, aged 71.
On his death, the baronetcy of Ratlingcourt, barony of Cowper, viscountcy of Fordwich and earldom of Cowper became extinct.