Cadwallader Blayney, 12th Baron Blayney

Cadwallader Davis Blayney, 12th Baron Blayney (19 December 1802 – 18 January 1874), styled The Honourable from birth until 1834, was an Irish nobleman and politician.
Born in Dover Street in London, he was the son of Andrew Blayney, 11th Baron Blayney and his wife Marbella, the eldest daughter of James Alexander, 1st Earl of Caledon. He became a lieutenant in the 89th Regiment of Foot on 27 January 1825 and left the same year.
Blayney entered the British House of Commons in 1830 as Tory Member of Parliament (MP) for Monaghan and held the seat until he succeeded his father as baron in 1834. Seven years later, he was elected a representative peer and joined the House of Lords. He sold the family estate, Castleblayney, Ireland, to Henry Thomas Hope of Deepdene, Surrey in 1852. Blayney died in London without issue aged 71, at the St. James Hotel, Piccadilly, London, after living in the Carlton Club there. The title became extinct on his death.
He is buried in Kensal Green Cemetery north-west of the main chapel.