| Cholmondeley (Viscountcy) |
Robert Cholmondeley - Sun 2nd Jul 1628
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8 October 1659 |
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| Cholmondeley (Viscountcy) |
Robert Cholmondeley - Tue 29th Mar 1661
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- |
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| Churchill (Viscountcy) |
Victor Albert Francis Charles Spencer - Mon 14th Jul 1902
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18 October 2017 |
- |
| Cilcennin (Viscountcy) |
James Purdon Lewes Thomas - Wed 18th Jan 1956
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13 July 1960 |
- |
| Clancarty (Viscountcy) |
Richard Le Poer Trench - Mon 8th Dec 1823
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- |
- |
| Clandeboye (Viscountcy) |
Frederick Temple Blackwood - Mon 13th Nov 1871
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29 May 1988 |
- |
| Claneboye (Viscountcy) |
James Hamilton - Wed 4th May 1622
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- |
- |
| Clanfield (Viscountcy) |
William Robert Wellesley Peel - Wed 10th Jul 1929
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- |
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| Clanmalier (Viscountcy) |
Terence O'Dempsie - Mon 22nd Dec 1631
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- |
- |
| Clanmaurice (Viscountcy) |
Thomas Fitzmaurice - Sun 17th Jan 1723
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- |
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| Clanwilliam (Viscountcy) |
John Meade - Mon 17th Nov 1766
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- |
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| Clare (Viscountcy) |
Robert Nugent - Mon 19th Jan 1767
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- |
- |
| Clare (Viscountcy) |
Daniel O'Brien - Mon 17th Jul 1662
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- |
- |
| Clermont (Viscountcy) |
William Henry Fortescue - Tue 23rd Jul 1776
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- |
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| Clifden (Viscountcy) |
James Agar - Fri 12th Jan 1781
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- |
- |
| Clive (Viscountcy) |
Edward Clive - Mon 14th May 1804
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- |
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| Clonmell (Viscountcy) |
John Scott - Mon 17th Aug 1789
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- |
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| Clonmore (Viscountcy) |
John Butler - Mon 13th Apr 1676
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- |
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| Cobham (Viscountcy) |
Richard Temple - Mon 23rd May 1718
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- |
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| Coke (Viscountcy) |
Thomas Coke - Sat 9th May 1744
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- |
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