Despite his death and the exile of her brother, Marshal Emmanuel de Grouchy, between 1815 and 1821, she maintained her own identity and was well-connected and influential before, during, and after the French Revolution.

As a hostess, Madame de Condorcet was popular for her kind heart, beauty, and indifference to a person's class or social origins.

Sophie de Condorcet allowed the Cercle Social — an association with the goal of equal political and legal rights for women — to meet at her house.

During this period, 1793–1794, he composed his most famous work— Esquisse d'un Tableau Historique des Progrès de l'Esprit Humain[9] (Sketch for a Historical Picture of the Progress of the Human Mind).

Their relationship remained strong, but due to laws allowing the government to confiscate the property of proscribed citizens, a divorce would enable his wife and daughter to keep their family assets.

Suard, with whom Condorcet had once been in love and had exchanged letters with for many years, wrote afterwards in a very sentimental tone (probably falsely, as she had been upset with him ever since his marriage to Sophie) of her guilt and wishes that she could have protected him.

[9] Madame de Condorcet was obliged to open a shop[clarification needed] to survive, and put aside her writing and translation work.

After the end of the Jacobin Terror a few months later in Thermidor of the year II (July 1794), de Condorcet published a translation of Adam Smith's Theory of Moral Sentiments[9] (1759) in 1798, adding eight letters, Lettres sur la Sympathie, commenting upon this work.

[12] She adhered to the end to her husband's political views, and under the Consulate and Empire, her salon became a meeting place for those opposed to the autocratic regime.

[9] Sophie de Condorcet survived the French Revolution, the Directory, and the era of Napoleon, to witness the revival of reaction under the restored Bourbons.

[clarification needed] De Condorcet remained active as a salon hostess, and in promoting her late husband's political views.

[18] Children of Arthur O'Connor and Elisa de Condorcet: Daniel's descendants served as officers in the French army.