| Dawson of Penn (Viscountcy) |
Bertrand Edward Dawson - Fri 30th Oct 1936
|
7 March 1945 |
- |
| Decies (Viscountcy) |
Richard Power - Mon 9th Oct 1673
|
19 August 1704 |
- |
| Deerhurst (Viscountcy) |
Thomas Coventry - Fri 26th Apr 1697
|
- |
- |
| De L'Isle (Viscountcy) |
William Philip Sidney - Thu 12th Jan 1956
|
- |
- |
| Desart (Viscountcy) |
Otway Cuffe - Fri 5th Jan 1781
|
4 November 1934 |
- |
| de Vesci (Viscountcy) |
Thomas Vesey - Fri 19th Jul 1776
|
- |
- |
| Devonport (Viscountcy) |
Hudson Ewbanke Kearley - Fri 22nd Jun 1917
|
- |
- |
| Dilhorne (Viscountcy) |
Reginald Edward Manningham-Buller - Mon 7th Dec 1964
|
- |
- |
| Dillon (Viscountcy) |
Theobald Dillon - Wed 16th Mar 1622
|
- |
- |
| Doncaster (Viscountcy) |
James Hay - Wed 25th Jul 1618
|
30 October 1660 |
- |
| Doneraile (Viscountcy) |
Arthur St Leger - Sat 23rd Jun 1703
|
16 April 1767 |
- |
| Doneraile (Viscountcy) |
St Leger St Leger - Wed 22nd Jun 1785
|
- |
- |
| Donoughmore (Viscountcy) |
Richard Hely-Hutchinson - Mon 20th Nov 1797
|
- |
- |
| Dorchester (Viscountcy) |
Dudley Carleton - Tue 25th Jul 1628
|
15 February 1632 |
- |
| Downe (Viscountcy) |
William Ducie - Sat 21st Sep 1675
|
9 September 1679 |
- |
| Downe (Viscountcy) |
John Dawnay - Wed 19th Feb 1681
|
- |
- |
| of Dudhope (Viscountcy) |
John Scrimgeour - Wed 8th Sep 1660
|
- |
- |
| Dudley and Ward (Viscountcy) |
John Ward - Thu 21st Apr 1763
|
6 March 1833 |
- |
| Duncan (Viscountcy) |
Adam Duncan - Mon 30th Oct 1797
|
5 December 1933 |
- |
| Duncannon (Viscountcy) |
William Ponsonby - Sun 28th Feb 1723
|
- |
- |