Irvin McDowell Signed Pay Voucher

This document is a pay voucher from Irvin McDowell as Assistant Adjutant General. Specifically, it details compensation for a military officer, likely a brevet captain named Irvin McDowell, who served in the U.S. Army from October 31st, 1854.

Irvin McDowell (October 15, 1818 – May 4, 1885) was a career American army officer, best known for his service as a Union general during the American Civil War. During the Mexican-American War (1846–1848), he served as aide-de-camp to General John E. Wool and was brevetted to captain for his performance at the Battle of Buena Vista.