Denis O'Conor
Denis O'Conor, O'Conor Don of Clonalis, County Roscommon, was an Irish nobleman, and Member of Parliament in the British House of Commons.Life
O'Conor was MP for Roscommon from 1831 to 1847. He became a Junior Lord of the Treasury in Lord John Russell's government but died the next year.
He married, in 1824, Mary Anne, daughter of Major Blake, of Towerhill, County Mayo, and was the father of Charles Owen O'Conor and Denis Maurice O'Conor.