Albert G. Sigler was born in Virginia sometime between 1822 and 1826. He was probably living in Albemarle County, Virginia, in 1850. By the early 1860s, he was living in Rockingham, Virginia, and working as a school teacher. He enlisted in the Confederate army on March 5, 1861, and mustered in as a private in Company L of the 34th Virginia Infantry. According to his enlistment records, he was 6 feet tall, with light hair and blue eyes. He was promoted to sergeant on June 1, 1862. The regiment spent most of the war stationed near Richmond. Sigler was captured in Farmville, Virginia, on April 6, 1865. He swore an oath of allegiance to the United States on July 1, 1865. After the war, Sigler worked as a bar keeper in Rockingham County, and he reported owning $100 of personal property in 1870. A decade later, he was probably working as a collier in Rockingham County. He died sometime after 1880.