| of Connaught and Strathearn (Dukedom) |
Arthur William Patrick Albert - Sun 24th May 1874
|
26 April 1943 |
- |
| Connemara (Barony) |
Robert Bourke - Thu 12th May 1887
|
3 September 1902 |
- |
| Constantine (Barony) |
Learie Nicholas Constantine - Mon 24th Mar 1969
|
1 July 1971 |
- |
| Constantine of Stanmore (Barony) |
Theodore Constantine - Tue 21st Jul 1981
|
13 February 2004 |
- |
| of Conway (Earldom) |
Edward Conway - Sun 3rd Dec 1679
|
11 August 1683 |
- |
| Conway (Barony) |
Edward Conway - Mon 24th Mar 1625
|
11 August 1683 |
- |
| Conway (Viscountcy) |
Edward Conway - Sat 26th Jun 1627
|
11 August 1683 |
- |
| Conway (Barony) |
Francis Seymour Conway - Sat 17th Mar 1703
|
- |
- |
| Conway (Barony) |
Francis Seymour Conway - Sun 16th Oct 1712
|
- |
- |
| Conway of Allington (Barony) |
William Martin Conway - Mon 7th Dec 1931
|
19 April 1937 |
- |
| Conyers (Barony) |
No Letters Patent
|
- |
- |
| Conyngham (Viscountcy) |
Henry Conyngham - Tue 20th Jul 1756
|
3 April 1781 |
- |
| Conyngham (Earldom) |
Henry Conyngham - Thu 4th Jan 1781
|
3 April 1781 |
- |
| Conyngham (Barony) |
Henry Conyngham - Wed 3rd Oct 1753
|
3 April 1781 |
- |
| Conyngham (Viscountcy) |
Henry Conyngham - Sun 27th Dec 1789
|
- |
- |
| Conyngham (Earldom) |
Henry Conyngham - Tue 21st Nov 1797
|
- |
- |
| Conyngham (Barony) |
Henry Conyngham - Thu 4th Jan 1781
|
- |
- |
| Conyngham (Marquessate) |
Henry Conyngham - Mon 15th Jan 1816
|
- |
- |
| Cooke of Islandreagh (Barony) |
Victor Alexander Cooke - Tue 11th Aug 1992
|
13 November 2007 |
- |
| Cooke of Thorndon (Barony) |
Robin Brunskill Cooke - Wed 3rd Apr 1996
|
30 August 2006 |
- |