[1] Secretary and then president of the convention for a short period, he served on the Committee of Public Safety and of General Security.

It was only by the intervention of Boulay de la Meurthe that he escaped transportation after the coup d'etat of 18 Fructidor (4 September 1797), and he then returned to the practice of his profession.

He did not entirely conceal his disapproval of the foundation of the Legion of Honour, of the Concordat and of Napoleon's acceptance of the consulate for life,[citation needed] and his appointment as prefect of the Bouches-du-Rhône, with consequent banishment from Paris, was a semi-disgrace.

[1] He died in Paris on 8 March 1854 in his eighty-ninth year,[1] being the last living member of the National Convention during the French Revolution to vote in the trial of Louis XVI.

[citation needed] The special value of Thibaudeau's works arises from the fact that he wrote only of those events of which he had personal knowledge, and that he quotes with great accuracy Napoleon's actual words.

His Mémoires sur le Consulat has been translated into English, with introduction and necessary notes, by G. K. Fortescue with the title of Bonaparte and the Consulate (1908).