1603.] THE EARL OF T HO MONO. 245 



^■^^ Henry O'Brien, 7th Earl OF Thomond, eldest son and 

 heir of Sir Bryan or Barnaby O'Brien, 6th Earl of Thomond, 

 (knighted by James I., July 21, 161 5, created Marquis of 

 Billing, by Privy Seal, by Charles I. in 1645 but the Great Seal 

 not being then within the royal power, the patent never 

 passed) and Mary, daughter of Sir James Fermer, Knight, was 

 Gustos rotulorum of the county Clare, circa 1663. He married, 

 ist, in 1641, Anne, daughter and co-heiress of Henry O'Brien, 

 5th Earl of Thomond, and by her (who died 1645), had a son, 

 Henry, Lord Ibracken, M.P. for Clare in 1661, married Lady 

 Catherine Stuart, sister of Charles, Duke of Richmond and 

 Lenox, Baroness Clifden, in her own right, and by her (who 

 married secondly Sir Joseph Williamson) had issue Donagh, 

 Lord Ibracken, drowned when accompanying James, Duke of 

 of York, to Scotland. He married Lady Sophia Osborne, 

 daughter of Thomas, Duke of Leeds, and had issue George, 

 who died young ; Mary, married to John Fitz-Gerald, Earl 

 of Kildare ; Catherine, married to Edward Hyde, Earl of 

 Clarendon. Lord Ibracken died December i, 1678. The Earl 

 of Thomond married, 2ndly, in 1660, Sarah, daughter of Sir 

 Francis Russell, of Chippenham, near Newmarket, and by 

 her he had issue, Henry Horatio, Lord Ibracken, married 

 in 1686, Henrietta, second daughter of Henry Somerset, Duke 

 of Beaufort, K.G. and died vita patris, aged 21, at Chester, 

 having had issue, Henry, the 8th and last Earl of Thomond ; 

 Henrietta, widow of Lord Ibracken, who married, 2ndly, 

 Henry, Earl of Suffolk. Elizabeth died unmarrried, June 3, 

 1688. Penelope, married Henry Howard, Earl of Suffolk and 

 Berkshire, and was mother of Charles William, 7th Earl of 

 Suffolk ; she died in December, 1703, and was buried at 

 Saffron Walden. Mary, married Sir Mathew Dudley, Bart, 

 of Clopton, Northamptonshire, and died November 9, 1735. 



The Earl of Thomond (who -died at his seat. Billing, county 

 Northampton, in May, 1691) was an habitue at Newmarket 

 (where he had a house of twelve hearths, subsequently 

 purchased by Charles II.) and at other race courses in 

 England. His Lordship and some other members of his 

 family were prominent patrons of the Turf, in the seven- 



