His abilities as a leader were displayed on many occasions, particularly at the relief of Elphin Castle, and he continued very active during this time of confusion, and frequently disturbed Heber MacMahon, the Roman Catholic Bishop of Clogher then general of the Ulster army.
[1][2] Parliament accorded him full powers, and on 26 July 1649 ordered him to be paid £100 from delinquents' estates "in consideration of long attendance".
[4] Having worked hard for the Restoration of Charles II, he was created on 4 September 1660 an Irish peer by the title of Baron Kingston, of Kingston in the County of Dublin, granted at Westminster on 4 September 1660, was sworn of the Privy Council of Ireland, and was appointed on 19 March 1660–1 a commissioner of the court of claims for the settlement of Ireland.
[1][2] On 8 May 1661, he took his seat in the Irish House of Lords, on 11 May he was made commissary-general of the horse, and on 31 May was added to the committee appointed to consider the erection of a college of physicians in Dublin.
On 15 November following he was appointed captain of a troop and on 20 April 1665, he was made colonel of a regiment of horse.