In the aftermath of the 1794 Warsaw Uprising, part of Kościuszko Uprising which was aimed against the Russian domination over Poland, he was captured by the insurrectionists, accused of treason, and sentenced to hanging by the revolutionary court; the sentence was carried out on 9 May on Warsaw Square, amidst the cheering crowds encouraged by the Polish Jacobins. Together with him, several other supporters of Targowica and Russian Empire were executed: Józef Ankwicz, bishop Józef Kossakowski and hetman Józef Zabiełło.
His son Adam Ożarowski made a career in the Russian military service.