he was ranger of phoenix park and of the king's parks in ireland and a master of the court of requests. from 1685 he was a member of the privy council of ireland and on 29 january 1686, king james ii created him baron of rathfarnham and viscount lisburne in the peerage of ireland. a roman catholic, he nevertheless took the whig side in the glorious revolution and in 1689 commanded an english regiment in ireland as the first colonel of the 39th (dorsetshire) regiment of foot.