Note 6 — MEXICAN WAR DIARY OF GEORGE B. McCLELLAN 1846-1847

Robert Patterson, born at Cappagh, County Tyrone, Ireland, on January 12, 1792, died at Philadelphia, Pa., on August 7, 1881. Came to America early in life and became a prominent merchant and Democratic politician in Philadelphia. Served both in the War of 1812 and in the Mexican War and in 1861 was mustered into the service as a major-general. He commanded the troops in the Shenandoah Valley and was outwitted by General Joseph E. Johnston who slipped away in time to join Beauregard and rout the Union forces under McDowell at the first battle of Bull Run on July 21, 1861. Patterson was retired from the army the same month.