Rose O'Neal Greenhow (1813/1814– October 1, 1864) was a famous Confederate spy during the American Civil War. She was a socialite in Washington, D.C. before the war. Greenhow was friends with presidents, generals, senators, and high-ranking military officers. She used these friendships to pass along key military information to the Confederacy at the start of the war. In early 1861 she was put in control of a group of Confederate spies in Washington, DC. This was by Thomas Jordan, then a captain in the Confederate Army. Jefferson Davis, the Confederate president, gave her credit for helping the South's victory at the First Battle of Bull Run in late July 1861.