Family and Education
b. ?1723, 2nd s. of Sir William Wyndham, 3rd Bt., and yr. bro. of Charles Wyndham, 2nd Earl of Egremont. educ. Winchester 1737-40; St. Mary Hall, Oxf. 17 Nov. 1740, aged 17; Grand Tour. unm. suc. to estates of Henry O’Brien, 7th Earl of Thomond [I], husband of his mother’s sister, assuming add. name of O’Brien 1741; cr. Earl of Thomond [I] 11 Dec. 1756.
Offices Held

Ld. of Treasury Dec. 1755 – Nov. 1756, P.C. 8 July 1757; treasurer of the Household July 1757 – Nov. 1761, cofferer Nov. 1761–5; ld. lt. Som. 1764 – 73; recorder, Taunton 1765.

Main residence: Shortgrove, nr. Saffron Walden, Essex.
Author
Volume
Commons 1715-1754
Web Title

WYNDHAM O'BRIEN, Percy (?1723-74)

Will
Estates
Oxford 1644
No
Addresses
Religion