3rd Battalion, Mississippi Infantry

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Brief History

3rd (Williams') Infantry Battalion, formerly the 45th Mississippi Regiment, was organized in July, 1864 with five companies. Surrendered on April 26, 1865. The field officers were Lieutenant Colonel John D. Williams and Major Elisha F. Nunn.
Predecessor units:
45th Infantry Regiment was formed during the late summer of 1862 by redesignating Hardcastle's 33rd Mississippi Infantry Regiment. For a time it was consolidated with the 32nd Regiment. On July 14, 1864, it was consolidated into five companies and became known as the 3rd (Williams') Mississippi Infantry Battalion. Colonel Aaron B. Hardcastle, Lieutenant Colonel Richard Charlton, and Major Elisha F. Nunn were in command.

33rd (Hardcastle's) Infantry Regiment [including the 3rd (Hardcastle's) Mississippi Infantry Battalion] was organized during the late spring of 1862. Later it was redesignated the 45th Mississippi Infantry Regiment. Colonel Aaron B. Hardcastle, Lieutenant Colonel Richard Charlton, and Major Theodore A. Jones were in command.

Regiment Companies with the County of Origin

Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.