Charles O'Brien, 7th Viscount Clare
Charles O'Brien was the 7th Viscount Clare was born in 1757 in Paris, France, the son of Charles O'Brien, 6th Viscount Clare and Marie Genevieve Louise Gauthier. O'Brien died unmarried at 17 years of natural causes on 29 December 1774 in Paris, France.
Officier du régime de Clare, vers 1767, Musée de l'Armée Thought to be the 10 year-old Charles O'Brien, 7th Viscount Clare
| Peerage of Ireland | ||
|---|---|---|
| Preceded by Charles O'Brien |
— TITULAR — Earl of Thomond 1761-1774 |
Succeeded by Extinct |
| — TITULAR — Viscount Clare 1761-1774 | ||