Sir Thomas Ogle was a sergeant-major involved in a plot to draw both Roman Catholics and Independents in attempt to reconvene the English Parliament at Oxford, to the benefit of Charles I and the detriment of the Roundheads.
In 1643, Sir Thomas Ogle was being held prisoner in Winchester House when he contacted John Digby, 1st Earl of Bristol, a moderate royalist based with the King in Oxford. He suggested that London's Independents (advocates of Congregationalism) would be prepared to strike a deal with the King in return for religious toleration. This view had been apparently been supported by Thomas Devenish, Keeper of Winchester House. Devenish was also a member of the congregation of John Goodwin, one of the most prominent Independent preachers. A letter from Ogle to Nicholas Crisp was intercepted and published. The plan then involved Ogle escaping with £100, with Devenish's collusion. However, when Lord Wharton reported matters to the House of Lords on 26 January 1644, it turned out that Devenish had appraised the Lords of the plot, a letter from the King to Devenish was revealed, and Devenish was thanked for exposing the plot. John Goodwin and fellow prominent Independent preacher, Philip Nye were also thanked for refusing "to meddle in the Business".
- John Coffey (2006), John Goodwin and the Puritan Revolution, Woodbridge: Boydell Press, ISBN 1843832658, 1843832658
- Ogle, Thomas Sir (1643), A letter of dangerous consequence from Sergeant Major Ogle to Sir Nicholas Crisp at Oxford, London: Printed for Edw. Husbands
- "House of Lords Journal Volume 6: 26 January 1644". Journal of the House of Lords. 6: 393–394. 1643. Retrieved 14 September 2013.