Delmé succeeded his brother, Henry Peter Delmé, in the Cams Hall estate in 1883. Prior to this he lived at West Hill. He served as a Lieutenant in the 53rd Regiment, and in 1846 married Jane Pearce [d. 1890], only daughter of John Jenkins, Esq. of Penzance.
Burke, Sir Bernard. A Genealogical and Heraldic History of the Landed Gentry of Great Britain & Ireland. 2 vols. 8th ed. London, 1894: 1: 500.