The Civil War in Missouri

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Captain Leo Rassieur

MHM Photographs and Prints

At the time of the Civil War, the voting age was still twenty-one years old. This did not, however, prevent young men under this age from being dragged into war. In May of 1861, Leo Rassieur was one of those men. He enlisted as a Private in Company B 1st USRC (3 months). He was quickly promoted to Orderly Sergeant. After his three-month commission ended he re-enlisted as a Private in Company E 1st USRC (3 years) and was at once elected 1st Lieutenant of his company. By April 21, 1862, however, he became too sick to remain and was mustered out of the service.When his health returned in August, he enlisted again as a recruiting 2nd Lieutenant for the 34th MO Infantry, which became the 30th MO Infantry. Upon the company’s organization, he was commissioned its captain. Rassieur also served as judge-advocate of General Dennis' division of the 19th Corps, Army of the Gulf in 1864. In September 1864, he was commissioned Major (a.w.m.) of his regiment, but was never mustered as such because of the depletion of the regiment to less than 500 effective men. He was honorably mustered out of the service on August 21, 1865, at Alleyton, TX, and returned to St. Louis early in the following month.