He graduated from Trinity College, Dublin University, Dublin, County Dublin, Ireland, in 1870 with a Bachelor of Arts (B.A.) and he graduated from Trinity College, Dublin University, Dublin, County Dublin, Ireland, in 1872 with a Master of Arts (M.A.).
He married his third cousin Adelaide Maria Guinness (daughter of Richard Samuel Guinness and Katherine Frances Jenkinson) on 20 May 1873 in Windsor, Berkshire, England.
He held the office of Sheriff of Dublin in 1876 and the office of High Sheriff of County Dublin in 1885. He held the office of Justice of the Peace (J.P.) for County Dublin.
Edward was awarded the honorary degree of Doctor of Law (LL.D.) by Trinity College, Ireland, in 1886. He was awarded the honorary degree of Doctor of Law (LL.D.) by Aberdeen University, Aberdeen, Aberdeenshire, Scotland, in 1891.
He was created 1st Baron Iveagh of Iveagh, co. Down [U.K.] on 19 January 1891; was created 1st Viscount of Iveagh, co. Down [U.K.] on 18 December 1905 and was created 1st Earl of Iveagh [U.K.] on 30 September 1919.
Edward became richest man in Ireland after floating a brewing company.
He passed away on 7 October 1927 at age 79.
St Andrew and St Patrick Churchyard, Elveden, Forest Heath District, Suffolk, England