Charles O'Brien, 8th Earl of Thomond

The Earl of Thomond
As Marshal of France
Born
Charles O'Brien

(1699-03-17)17 March 1699
Died9 September 1761(1761-09-09) (aged 62)
Spouse
Marie Genevieve Louise Gautier
(after 1755)
ChildrenCharles O'Brien, 9th Earl of Thomond
Antoinette, Duchess of Praslin
Lady Marie O'Brien
Parent(s)Charles O'Brien, 5th Viscount Clare
Charlotte Bulkeley

Charles O'Brien, (17 March 1699  9 September 1761), titular 6th Viscount Clare and later titular 8th Earl of Thomond, was an Irish military officer in French service (he was made a Marshal of France), known to posterity as the Maréchal de Thomond.