Alumni Oxonienses: the Members of the University of Oxford, 1715-1886/Wyndham, Percy (O'Brien)
Wyndham, Percy (O'Brien), s. William, of London, baronet. St. Mary Hall, matric. 17 Nov., 1740, aged 17; created Baron Ibrackan and Earl of Thomond in Ireland 11 Dec., 1756, died unmarried 21 July, 1774.