Thornhaugh may have been descended from Peter de Thornehawe who was returned for Lincoln in 1295.
The earl of Rutland was restored to favour in the new reign and Thornhaugh was knighted when the earl entertained James I at Belvoir Castle on the king’s journey from Edinburgh to London at his accession.
There is no evidence that Thornhaugh ever sought re-election. He died at Fenton on 9 Nov. 1627 and was buried the following day in the chancel of the local parish church.
