The death of Sir Hugh Owen, the county Member, in 1786 enabled Kensington to resume his seat for Haverfordwest by opening the county to Lord Milford, with whom he thus renewed his local alliance.
It is doubtful whether Lord Kensington was able to attend regularly in his last two Parliaments owing to age and infirmity. He was listed hostile to the repeal of the Test Act in Scotland in April 1791. There was a pathetic incident on 8 Mar. 1793, when he was ordered to be taken into custody for absence without leave: it turned out that he was in the lobby a few minutes after the door of the House was locked. Sir Watkin Lewes pointed out that he had been excused before on compassionate grounds and this time Pitt himself secured his exoneration. On 21 Apr. 1797, Lord Milford informed Pitt that Kensington was ‘severely ill and not likely to recover’.
