<p>Dungannon was a close borough under the control of Thomas Knox, 1st Viscount Northland, who owned the whole of it in fee. He intended it primarily for members of his family, but difficulties arose. His son John, returned at the Union, had been lost at sea before the date of his return,<fn><em>The Times</em>, 6 Feb. 1801. For this reason, John Knox is omitted from the biographical section.</fn> though the news of it came later. Northland substituted Sir Charles Hamilton, third cousin of his principal ally, the Marquess of Abercorn.