Count Joseph Cornelius O'Rourke was a Russian nobleman and military leader of Irish descent who fought in the Napoleonic Wars and achieved the rank of lieutenant general. He is noted for leading a campaign against the Turks in present-day Serbia, where a combined Russian and Serb army defeated the Ottoman Empire at Varvarin in 1810.
- Occupation
- military personnel
- Citizenship
- Russian Empire
- Born
- 1772
- Died
- 1849, March 10, 1849