- Born 1826, Ashtabula County, Ohio
- Saw service in Mexican War wounded at Chapultepec
- Removed to Galena, opening a gunsmithing and sporting accessories business
- With fellow Galenian John E. Smith, instrumental in forming the 45th Illinois Infantry, the “Washburne Lead Mine Regiment”
- Commissioned Lieutenant Colonel of the 45th, September 1861
- Wounded at Fort Donelson
- Promoted Colonel, November 1862
- Wounded at Vicksburg
- Promoted Brigadier General, August 1863
- Mustered out, January 1866, entering mercantile business in Vicksburg, Mississippi
- Appointed military mayor of Vicksburg, and head of registration bureau, enrolling black voters
- Died in Vicksburg, December 12, 1867
- Buried in Galena, March 1868
Brigadier General Jasper A. Maltby was born in 1826 in Kingsville, Ohio. Maltby fought in the Mexican-American War as a Private in the 15th U.S. Infantry from 1846-48. He was wounded in action on September 20, 1847, during the battle of Chapultepec. He was discharged on August 3, 1848 and settled in Chicago.
During the mid 1850s Maltby moved to Galena to establish a gunsmith shop on Main Street. He was talented gunsmith and was the inventor of one of the first telescopic sites. He lived above the shop with his wife and one son.
When the Civil War broke out, he helped organize the 45th Illinois Volunteers with John E. Smith and was elected Lieutenant Colonel of the regiment. His military and gunsmith experience was valuable in the formation of the unit. After being wounded in the 1862 attack at Fort Donelson, he returned to Galena to recover. On November 29, 1862 he ws prmoted to Colonel and returned to the battlefield and participated in the Siege of Vicksburg, Mississippi. He led the 45th as it entered into the battle of Fort Hill. He received severe injuries to his head and ride side from artillery shells and never fully recovered.
Maltby was promoted to Brigadier General on August 4, 1863. He remained primarily in Vicksburg until the end of the war. After the war ended Maltby engaged in some business ventures in Vicksburg. He was appointed Military Mayor of Vicksburg on September 6, 1867 and stepped down on December 12th of the same year due to illness. Maltby died 10 days later. His body was returned to Galena in March of 1868 after being held in a temporary tomb in Vicksburg.