Overbury’s father acquired a grant of arms at an unknown date, but styled himself ‘yeoman’ in his will of 1580.
During the first Jacobean Parliament Overbury was named to 40 committees and made nine recorded speeches. During the first session he was named to 11 committees, whose subjects included bills about forcible entries, writs of error (28 Mar.),
At the beginning of the third session Overbury was appointed to attend the conference with the Lords of 25 Nov. 1606 on the Union.
It was presumably as a result of his son’s connection with Carr that Overbury was appointed to a Welsh judgeship in September 1610. As treasurer of the Middle Temple he subsequently admitted the favourite, now Viscount Rochester, to honorary membership of his inn.
Overbury was nominated by the Gloucester corporation for re-election to Parliament in 1614,
Overbury drafted his will on 1 Sept. 1640, to which he added codicils on 14 Feb. 1642 and 17 May 1643. Among the items he bequeathed was a silver pot given by the king of Denmark to Sir Thomas Overbury.
