Charles O'Brien, 7th Viscount Clare
Charles O'Brien, titular Earl of Thomond and Viscount Clare was a Franco-Irish nobleman.
He was born on october 18, 1757 in Paris, France, the son of the maréchal de Thomond and Marie Genevieve Louise Gauthier de Chifreville. He was Colonel-proprietor of the Clare Regiment after his father, but died before assuming effective command.
O'Brien died unmarried at 17 of natural causes on 29 December 1774 in Paris, France.
