He was educated at Eton College, Windsor, Berkshire, England and at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.
He served in the South African War, with Irish Hospital, 1900; mentioned in despatches.
He married Lady Gwendolen Florence Mary Onslow (daughter of William Hillier Onslow, 4th Earl of Onslow and Hon. Florence Coulston Gardner) on 8 October 1903.
They had 5 children.
He was awarded the C.M.G. in 1901 and the C.B. in 1911.
Residence 1911: Living with his wife Gwendolen and daughter Honor in Pyrford, Pyrford Woking, Surrey, England.
Rupert was D.L. for Surrey, Suffolk and Essex. He was M.P. for Shoreditch, 1908-10; for E. Essex, 1912-18, and for Southend-on-Sea, 1918-27. He was a Lieutenant of the City of London, 1910-40.
He served in the Great War (1914-19) (Capt., R.N.V.R.). A.D.C. to H.M. the King, 1916-19.
Succeeded as 2nd Earl of Iveagh in 1927.
Chancellor of Dublin University, 1927. Hon. LL.D., Dublin, 1928. Chairman of Arthur Guinness, Son and Co. Of Elveden Hall, Suffolk, in 1943.
Rupert passed away in 1967.
St Andrew and St Patrick Churchyard, Elveden, Forest Heath District, Suffolk, England
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