Fitz John Porter (August 31, 1822 – May 21, 1901) (sometimes written FitzJohn Porter or Fitz-John Porter) was a career United States Army officer and a Union General during the American Civil War. He is most known for his performance at the Second Battle of Bull Run and his subsequent court martial.
The grave should be at Section 54, Lot 5685/89 but it needs to be verified.