In November 1783 the Coalition Government offered Osbaldeston a seat at Hedon, but he preferred to stand on his family interest at Scarborough where he asked for Government support.
In William Adam’s list of the new Parliament he was classed with the Opposition. But on 27 May 1784 Daniel Pulteney wrote to Rutland:
He did not stand in 1790 and died 14 July 1793.
