Weitzel, Godfrey was born on November 1, 1835 in Cincinnati. Son of Louis and Susan Weitzel.
Graduated from the United States Military Academy, 1855.
At least 1 child. Brevetted Second lieutenant engrs. United States Army, 1855, second in command Lieutenant, 1856, First lieutenant, 1860. Served in fortification of New Orleans, 1855-1859.
Assistant professor engineering United States Military Academy, 1859-1861. With an engineer company on expedition to Fort Pickens (Florida) to save it for Union, 1861. Chief engineer fortifications of Cincinnati, 1861.
Chief engineer under General Benjamin Butler in expedition against New Orleans, 1862. Assistant military commander New Orleans. Commissioned brigadier general United States Volunteers, 1862.
Captain Engineer corpus, United States army, 1863, brevetted major and lieutenant colonel for gallantry at battles of Thibodeaux and Port Hudson. Chief engineer Second Division, XVIII Army Corps, 1864. Brevetted major general volunteers.
Brevetted colonel regular army for gallantry at capture of Fort Harrison (Virginia). Major general volunteers, 1864. Brevetted brig. general, major general, United States Army for service in final operations against Richmond (Virginia), 1865.
Commanded Rio Grande District, 1865. Mustered out of the United States Volunteers, 1866, returned to duty with Corps Engineers, promoted major, 1866. Associate with construction of ship canals at falls of Ohio River, and Sault Sainte Marie (Michigan), lighthouse at Stannard’s Rock in Lake Superior.