Name
- Denison, John Evelyn, 1st Viscount Ossington, politician and Speaker of the House of Commons, 1800-18731
- Denvir, Cornelius, mathematician and Bishop of Down and Connor, 1791-18651
- Derry, John, Bishop of Clonfert, 1811-18701
- Dixon, Joseph, Archbishop of Armagh, 1806-18661
- Douglas, Archibald William, 8th Marquess of Queensberry, politician, 1818-18581
- Douglas, George Sholto, 17th Earl of Morton, politician, 1789-18581
- Douglas, George, 16th Earl of Morton, landowner, 1761-18271
- Douie, David Buchan, of Dryfesdale, clergyman, fl 1823-18631
- Drummond, William, Knight, politician, scholar and diplomat, ?1770-18281
- Duchâtel, Charles Marie Tanneguy, Comte, statesman and art collector, 1803-18671
- Duguid, Thomas, of Liverpool, merchant and correspondent of George Hamilton-Gordon, 4th Earl of Aberdeen, fl 1846-18491
- Dundas, Henry, 1st Viscount Melville, lawyer, politician and statesman, 1742-18111
- Dundas, Henry, 3rd Viscount Melville, army officer and politician, 1801-18761
- Dundas, Robert, of Arniston; called The Elder, politician and advocate, 1685-17531
- Dundas, Robert, of Arniston; judge and lord chief baron of the exchequer, 1758-18191
- Durcan, Patrick, Bishop of Achonry, 1790-18751
- Dutens, Louis, diplomat, chaplain and writer, 1730-18121
- Egan, Cornelius, Roman Catholic Bishop of Kerry, Ireland, 1780-18561
- Egerton, Thomas, 2nd Earl of Wilton, formerly Grosvenor1
- Egypt, Pasha of. Mehmed Alî1